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Lanthanides and Actinides
Lanthanides and actinides are collectively called f-block elements because last electron in them enters into f-orbitals of the antepenultimate (i.e., inner to penultimate) shell partly but incompletely filled in their elementary or ionic states. The name inner transition, elements is also given to them because they constitute transition series with in transition series (d-block elements) and the last electron enters into antepenultimate shell (n-2)f. In addition to incomplete d-subshell, their f-subshell is also incomplete. Thus, these elements have three incomplete outer shells i.e., (n--2), (n--1) and n shells and the general electronic configuration of f-block elements is (n--2) .
(1) Lanthanides : The elements with atomic numbers 58 to 71 i.e. cerium to lutetium (which come immediately after lanthanum Z = 57) are called lanthanides or lanthanones or rare earths. These elements involve the filling of 4 f-orbitals. Their general electronic configuration is, . Promethium (Pm), atomic number 61 is the only synthetic (man made) radioactive lanthanide.
Properties of lanthanides
(i) These are highly dense metals and possess high melting points.
(ii) They form alloys easily with other metals especially iron. e.g. misch metal consists of a rare earth element (94--95%), iron (upto 5%) and traces of S, C, Ca and Al, pyrophoric alloys contain Ce (40--5%), La + neodymium (44%), Fe (4--5%), Al (0--5%) and the rest is Ca, Si and C. It is used in the preparation of ignition devices e.g., trace bullets and shells and flints for lighters and cigarette.
(iii) Oxidation state : Most stable oxidation state of lanthanides is +3. Oxidation states + 2 and + 4 also exist but they revert to +3 e.g. lose electron to become +3 and hence are good reducing agents, where as Ce4+, Pr4+, Tb4+ in aqueous solution gain electron to become + 3 and hence are good oxidizing agents. There is a large gap in energy of 4 f and 5 d subshells and thus the number of oxidation states is limited.
(iv) Colour : Most of the trivalent lanthanide ions are coloured both in the solid state and in aqueous solution. This is due to the partly filled f-orbitals which permit f--f transition. The elements with xf electrons have a similar colour to those of (14 -- x) electrons.
(v) Magnetic properties : All lanthanide ions with the exception of Lu3+, Yb3+ and Ce 4+ are paramagnetic because they contain unpaired electrons in the 4 f orbitals. These elements differ from the transition elements in that their magnetic moments do not obey the simple "spin only" formula B.M. where n is equal to the number of unpaired electrons. In transition elements, the orbital contribution of the electron towards magnetic moment is usually quenched by interaction with electric fields of the environment but in case of lanthanides the 4f-orbitals lie too deep in the atom for such quenching to occur. Therefore, magnetic moments of lanthanides are calculated by taking into consideration spin as well as orbital contributions and a more complex formula
which involves the orbital quantum number L and spin quantum number S.
(vi) Complex formation : Although the lanthanide ions have a high charge (+3) yet the size of their ions is very large yielding small charge to size ratio i.e., low charge density. As a consequence, they have poor tendency to form complexes. They form complexes mainly with strong chelating agents such as EDTA, -diketones, oxine etc. No complexes with -bonding ligands are known.
(vii) Lanthanide contraction : The regular decrease in the size of lanthanide ions from to is known as lanthanide contraction. It is due to greater effect of the increased nuclear charge than that of the screening effect.
Consequences of lanthanide contraction
(a) It results in slight variation in their chemical properties which helps in their separation by ion exchange
(b) Each element beyond lanthanum has same atomic radius as that of the element lying above it in the group (e.g. Zr 145 pm, Hf 144 pm); Nb 134 pm, Ta 134 pm ; Mo 129 pm, W 130 pm).
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inner transition metals properties,
the inner transition elements,
the inner transition metals,
transition and inner transition metals,
transition chemistry,
transition elements chemistry,
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Periodic Table Song/Periodic Table/Lanthanide Metals
Learn about the lanthanoid elements of the periodic table in this educational animation music video. Don't forget to sing along!
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LYRICS:
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
I’m Lanthanum
My symbol is LA
My atomic numbers 57
Atomic mass is 138
I mostly used to make
Carbon Arc Lights don’t you know
Which are used for studio lighting
for a motion picture show
Hello there I am Cerium
My symbol is Ce
My atomic numbers 58
atomic mass is 140
I am used in motion picture
arc lighting as well
I’m also used in flints for lighters
Now isn’t that swell
Im Praseodymium
My symbol is Pr
My atomic numbers 59
140’s my atomic mass by far
My primary use
is as an alloying agent
I make high strength metals
used in aircraft engines
I’m Neodymium
My symbol is Nd
My atomic mass is 144
My atomic numbers 60
I’m used to make goggles
for glass blowers and welders
and I’m used in some glass to make
Spectrometers
My atomic numbers 61
I am Promethium
My atomic mass is 145
And my symbol is Pm
I could be used to make
a Nuclear battery
with a life span of 5 years
That is satisfactory
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
My atomic numbers 62
I’m Samarium
my atomic mass is 150
and my symbol is Sm
I am also used
in motion picture Arc lighting
I make flints in lighters
now isn’t that exciting
My atomic numbers 63
I am Europium
My symbol is Eu
My atomic mass is 151
The most reactive of the
rare earth metals you know
and I am a good absorber
of neutrons as scientists show
Gd is my symbol
I am Gadolinium
My atomic numbers 64
atomic mass is 157
I’m the greatest element known
to capture thermal neutrons
and in Nuclear reactors
I’m used as control rods
Hi I’m Terbium
my atomic mass 158
My atomic numbers 65
Tb’s my symbol isn’t that great
I was discovered in a quarry
in a town called Ytterby
in the country of Sweden
in 1843
Dysprosium’s my name
My atomic numbers 66
My symbol’s Dy
162’s my atomic mass mix
I absorb neutrons.
And my melting point is high
I’m used in nuclear reactor’s
control rods so they don’t fry
I’m Holmium
My symbol is Ho
Atomic number’s 67
My Atomic mass 164
I’m used in magnets
For my magnetic properties
My name comes from the latin word Holm
as you can plainly see
My symbols Er
I am Erbium
Atomic numbers 68
Atomic mass’s 167
I’m used as a doping agent
in fiber optic cables
I have uses in the nuclear power
industry when able
My atomic number 69
I am Thulium
My atomic mass is 168
and my symbol’s Tm
The least abundant of the
naturally occurring rare earth metals
I’ve been used to create lasers
I have 1 isotope thats stable
I’m Ytterbium
my atomic mass’s 173
my symbol’s Yb
my atomic numbers 70
I have one isotope
that may be used
as a radiation source
in a portable x-ray if approved
My symbol is Lu
I am Lutetium
Atomic mass’s 174
atomic numbers 71
Lutetium’s one of the most
difficult elements to prepare
And has little commercial use
because I am so rare
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
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Elements 57 through 71 also known as Lanthanide series transition metals or rare earth metals. Elements 89 through 103 are the Actinide series transition metals. These are all radioactive.
- published: 14 Feb 2012
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Useful for CBSE, ICSE, NCERT & International Students
Grade 12
Subject: Chemistry
Lesson :The d-and f-Block Elements
Topic: General characteristics of lanthanides
The f-block consists of the two series, lanthanoids (the fourteen elements following lanthanum) and actinoids (the fourteen elements following actinium). Because lanthanum closely resembles the lanthanoids, it is usually included in any discussion of the lanthanoids for which the general symbol Ln is often used. Similarly, a discussion of the actinoids includes actinium besides the fourteen elements constituting the series. The lanthanoids resemble one another more closely than do the members of ordinary transition elements in any series. They have only one stable oxidation state and their chemistry provides an excellent opportunity to examine the effect of small changes in size and nuclear charge along a series of otherwise similar elements. The chemistry of the actinoids is, on the other hand, much more complicated.
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- published: 28 Oct 2015
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Explains where f block fits in in the periodic table, and the n-2 rule. Introduces shorthand notation to get e configuration of Nd based on Xe, and also compares it to the full electron configuration. Created by Sal Khan.
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Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
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- published: 03 Jun 2014
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Lanthanide
The lanthanide /ˈlænθənaɪd/ or lanthanoid /ˈlænθənɔɪd/ series of chemical elements comprises the fifteen metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. These fifteen lanthanide elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements.
The informal chemical symbol Ln is used in general discussions of lanthanide chemistry to refer to any lanthanide. All but one of the lanthanides are f-block elements, corresponding to the filling of the 4f electron shell; lutetium, a d-block element, is also generally considered to be a lanthanide due to its chemical similarities with the other fourteen. All lanthanide elements form trivalent cations, Ln3+, whose chemistry is largely determined by the ionic radius, which decreases steadily from lanthanum to lutetium.
They are termed as lanthanides because the lighter elements in the series are chemically similar to lanthanum. Strictly speaking, both lanthanum and lutetium have been labeled as group 3 elements, because they both have a single valence electron in the d shell. However, both elements are often included in any general discussion of the chemistry of the lanthanide elements.
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I Am
I Am may refer to:
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Khan Academy
Khan Academy is a non-profit educational organization created in 2006 by educator Salman Khan with the aim of providing a free, world-class education for anyone, anywhere. The organization produces short lectures in the form of YouTube videos. In addition to micro lectures, the organization's website features practice exercises and tools for educators. All resources are available for free to anyone around the world. The main language of the website is English, but the content is also available in other languages.
History
The founder of the organization, Salman Khan, was born in New Orleans, Louisiana, United States to immigrant parents from Bangladesh and India. After earning three degrees from the Massachusetts Institute of Technology (a BS in mathematics, a BS in electrical engineering and computer science, and an MEng in electrical engineering and computer science), he pursued an MBA from Harvard Business School.
In late 2004, Khan began tutoring his cousin Nadia who needed help with math using Yahoo!'s Doodle notepad.When other relatives and friends sought similar help, he decided that it would be more practical to distribute the tutorials on YouTube. The videos' popularity and the testimonials of appreciative students prompted Khan to quit his job in finance as a hedge fund analyst at Connective Capital Management in 2009, and focus on the tutorials (then released under the moniker "Khan Academy") full-time.
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Periodic table
The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number of protons), electron configurations, and recurring chemical properties. This ordering shows periodic trends, such as elements with similar behavior in the same column. It also shows four rectangular blocks with some approximately similar chemical properties. In general, within one row (period) the elements are metals on the lefthand side, and non-metals on the righthand side.
The rows of the table are called periods; the columns are called groups. Six groups (columns) have names as well as numbers: for example, group 17 elements are the halogens; and group 18, the noble gases. The periodic table can be used to derive relationships between the properties of the elements, and predict the properties of new elements yet to be discovered or synthesized. The periodic table provides a useful framework for analyzing chemical behavior, and is widely used in chemistry and other sciences.
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This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
Atomic mass
The atomic mass (ma) is the mass of an atomic particle, sub-atomic particle, or molecule. It is commonly expressed in unified atomic mass units (u) where by international agreement, 1 unified atomic mass unit is defined as 1/12 of the mass of a single carbon-12 atom (at rest). For atoms, the protons and neutrons of the nucleus account for almost all of the mass, and the atomic mass measured in u has nearly the same value as the mass number.
When divided by unified atomic mass units or daltons to form a pure number ratio, the atomic mass of an atom becomes a dimensionless number called the relative isotopic mass (see section below). Thus, the atomic mass of a carbon-12 atom is 12 u or 12 daltons (Da), but the relative isotopic mass of a carbon-12 atom is simply 12.
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25:11Lanthenides
LanthenidesLanthenides
Lanthanides and Actinides Lanthanides and actinides are collectively called f-block elements because last electron in them enters into f-orbitals of the antepenultimate (i.e., inner to penultimate) shell partly but incompletely filled in their elementary or ionic states. The name inner transition, elements is also given to them because they constitute transition series with in transition series (d-block elements) and the last electron enters into antepenultimate shell (n-2)f. In addition to incomplete d-subshell, their f-subshell is also incomplete. Thus, these elements have three incomplete outer shells i.e., (n--2), (n--1) and n shells and the general electronic configuration of f-block elements is (n--2) . (1) Lanthanides : The elements with atomic numbers 58 to 71 i.e. cerium to lutetium (which come immediately after lanthanum Z = 57) are called lanthanides or lanthanones or rare earths. These elements involve the filling of 4 f-orbitals. Their general electronic configuration is, . Promethium (Pm), atomic number 61 is the only synthetic (man made) radioactive lanthanide. Properties of lanthanides (i) These are highly dense metals and possess high melting points. (ii) They form alloys easily with other metals especially iron. e.g. misch metal consists of a rare earth element (94--95%), iron (upto 5%) and traces of S, C, Ca and Al, pyrophoric alloys contain Ce (40--5%), La + neodymium (44%), Fe (4--5%), Al (0--5%) and the rest is Ca, Si and C. It is used in the preparation of ignition devices e.g., trace bullets and shells and flints for lighters and cigarette. (iii) Oxidation state : Most stable oxidation state of lanthanides is +3. Oxidation states + 2 and + 4 also exist but they revert to +3 e.g. lose electron to become +3 and hence are good reducing agents, where as Ce4+, Pr4+, Tb4+ in aqueous solution gain electron to become + 3 and hence are good oxidizing agents. There is a large gap in energy of 4 f and 5 d subshells and thus the number of oxidation states is limited. (iv) Colour : Most of the trivalent lanthanide ions are coloured both in the solid state and in aqueous solution. This is due to the partly filled f-orbitals which permit f--f transition. The elements with xf electrons have a similar colour to those of (14 -- x) electrons. (v) Magnetic properties : All lanthanide ions with the exception of Lu3+, Yb3+ and Ce 4+ are paramagnetic because they contain unpaired electrons in the 4 f orbitals. These elements differ from the transition elements in that their magnetic moments do not obey the simple "spin only" formula B.M. where n is equal to the number of unpaired electrons. In transition elements, the orbital contribution of the electron towards magnetic moment is usually quenched by interaction with electric fields of the environment but in case of lanthanides the 4f-orbitals lie too deep in the atom for such quenching to occur. Therefore, magnetic moments of lanthanides are calculated by taking into consideration spin as well as orbital contributions and a more complex formula which involves the orbital quantum number L and spin quantum number S. (vi) Complex formation : Although the lanthanide ions have a high charge (+3) yet the size of their ions is very large yielding small charge to size ratio i.e., low charge density. As a consequence, they have poor tendency to form complexes. They form complexes mainly with strong chelating agents such as EDTA, -diketones, oxine etc. No complexes with -bonding ligands are known. (vii) Lanthanide contraction : The regular decrease in the size of lanthanide ions from to is known as lanthanide contraction. It is due to greater effect of the increased nuclear charge than that of the screening effect. Consequences of lanthanide contraction (a) It results in slight variation in their chemical properties which helps in their separation by ion exchange (b) Each element beyond lanthanum has same atomic radius as that of the element lying above it in the group (e.g. Zr 145 pm, Hf 144 pm); Nb 134 pm, Ta 134 pm ; Mo 129 pm, W 130 pm). d & f block elements, d and f block chemistry, d and f block element, d block chemistry, f block chemistry, chemistry of transition elements, chemistry transition elements, common transition elements, inner transition elements properties, inner transition metals properties, the inner transition elements, the inner transition metals, transition and inner transition metals, transition chemistry, transition elements chemistry, http://www.studyadda.com/videos/iit-jee-video-solutions/iit-jee-2012-paper-ii-video-solutions/video-solution-of-problem-18-of-iit-jee-ii/82 http://www.studyadda.com/videos/iit-jee-video-solutions/iit-jee-2012-paper-ii-video-solutions/video-solution-of-problem-2-of-iit-jee-ii/83 http://www.studyadda.com/videos/iit-jee-video-solutions/iit-jee-2012-paper-ii-video-solutions/video-solution-of-problem-20-of-iit-jee-ii/84 -
1:04:353.2 The f block elements
3.2 The f block elements3.2 The f block elements
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5:07Periodic Table Song/Periodic Table/Lanthanide Metals
Periodic Table Song/Periodic Table/Lanthanide MetalsPeriodic Table Song/Periodic Table/Lanthanide Metals
Periodic Table Song/Periodic Table/Lanthanide Metals Learn about the lanthanoid elements of the periodic table in this educational animation music video. Don't forget to sing along! Facebook: https://www.facebook.com/kidslearningtube Subscribe: http://www.youtube.com/c/kidslearningtube Tweet Us: https://twitter.com/learningtube Instagram: https://instagram.com/kidslearningtube Add us on Google+: https://plus.google.com/+KidsLearning... Music: Copyright 2016 Kids Learning Tube Video: Copyright 2016 Kids Learning Tube LYRICS: We are the Lanthanoids or the rare earth metals 57 to 71 on the periodic table I’m Lanthanum My symbol is LA My atomic numbers 57 Atomic mass is 138 I mostly used to make Carbon Arc Lights don’t you know Which are used for studio lighting for a motion picture show Hello there I am Cerium My symbol is Ce My atomic numbers 58 atomic mass is 140 I am used in motion picture arc lighting as well I’m also used in flints for lighters Now isn’t that swell Im Praseodymium My symbol is Pr My atomic numbers 59 140’s my atomic mass by far My primary use is as an alloying agent I make high strength metals used in aircraft engines I’m Neodymium My symbol is Nd My atomic mass is 144 My atomic numbers 60 I’m used to make goggles for glass blowers and welders and I’m used in some glass to make Spectrometers My atomic numbers 61 I am Promethium My atomic mass is 145 And my symbol is Pm I could be used to make a Nuclear battery with a life span of 5 years That is satisfactory We are the Lanthanoids or the rare earth metals 57 to 71 on the periodic table My atomic numbers 62 I’m Samarium my atomic mass is 150 and my symbol is Sm I am also used in motion picture Arc lighting I make flints in lighters now isn’t that exciting My atomic numbers 63 I am Europium My symbol is Eu My atomic mass is 151 The most reactive of the rare earth metals you know and I am a good absorber of neutrons as scientists show Gd is my symbol I am Gadolinium My atomic numbers 64 atomic mass is 157 I’m the greatest element known to capture thermal neutrons and in Nuclear reactors I’m used as control rods Hi I’m Terbium my atomic mass 158 My atomic numbers 65 Tb’s my symbol isn’t that great I was discovered in a quarry in a town called Ytterby in the country of Sweden in 1843 Dysprosium’s my name My atomic numbers 66 My symbol’s Dy 162’s my atomic mass mix I absorb neutrons. And my melting point is high I’m used in nuclear reactor’s control rods so they don’t fry I’m Holmium My symbol is Ho Atomic number’s 67 My Atomic mass 164 I’m used in magnets For my magnetic properties My name comes from the latin word Holm as you can plainly see My symbols Er I am Erbium Atomic numbers 68 Atomic mass’s 167 I’m used as a doping agent in fiber optic cables I have uses in the nuclear power industry when able My atomic number 69 I am Thulium My atomic mass is 168 and my symbol’s Tm The least abundant of the naturally occurring rare earth metals I’ve been used to create lasers I have 1 isotope thats stable I’m Ytterbium my atomic mass’s 173 my symbol’s Yb my atomic numbers 70 I have one isotope that may be used as a radiation source in a portable x-ray if approved My symbol is Lu I am Lutetium Atomic mass’s 174 atomic numbers 71 Lutetium’s one of the most difficult elements to prepare And has little commercial use because I am so rare We are the Lanthanoids or the rare earth metals 57 to 71 on the periodic table -
8:51LEC 3 3 LANTHANIDE CONTRACTION
LEC 3 3 LANTHANIDE CONTRACTIONLEC 3 3 LANTHANIDE CONTRACTION
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2:59A brief intro to the lanthanides - Chemical elements: properties and reactions (5/8)
A brief intro to the lanthanides - Chemical elements: properties and reactions (5/8)A brief intro to the lanthanides - Chemical elements: properties and reactions (5/8)
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4:30LANTHANIDE.asf
LANTHANIDE.asfLANTHANIDE.asf
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1:08Lanthanide and Actinide Series
Lanthanide and Actinide SeriesLanthanide and Actinide Series
Elements 57 through 71 also known as Lanthanide series transition metals or rare earth metals. Elements 89 through 103 are the Actinide series transition metals. These are all radioactive. -
17:30General characteristics of lanthanides
General characteristics of lanthanidesGeneral characteristics of lanthanides
Useful for CBSE, ICSE, NCERT & International Students Grade 12 Subject: Chemistry Lesson :The d-and f-Block Elements Topic: General characteristics of lanthanides The f-block consists of the two series, lanthanoids (the fourteen elements following lanthanum) and actinoids (the fourteen elements following actinium). Because lanthanum closely resembles the lanthanoids, it is usually included in any discussion of the lanthanoids for which the general symbol Ln is often used. Similarly, a discussion of the actinoids includes actinium besides the fourteen elements constituting the series. The lanthanoids resemble one another more closely than do the members of ordinary transition elements in any series. They have only one stable oxidation state and their chemistry provides an excellent opportunity to examine the effect of small changes in size and nuclear charge along a series of otherwise similar elements. The chemistry of the actinoids is, on the other hand, much more complicated. Visit www.oztern.com to find personalized test preparation solutions for Pre Medical - AIPMT, AIIMS, JIPMER, State, Pre Engineering - IIT JEE, JEE MAIN, BITSAT, State and Foundations - Class 6 to 10. -
4:29clip - Lanthanide (5)
clip - Lanthanide (5)clip - Lanthanide (5)
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5:56Electron configuration for f block element Nd | Chemistry | Khan Academy
Electron configuration for f block element Nd | Chemistry | Khan AcademyElectron configuration for f block element Nd | Chemistry | Khan Academy
Explains where f block fits in in the periodic table, and the n-2 rule. Introduces shorthand notation to get e configuration of Nd based on Xe, and also compares it to the full electron configuration. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/electron-configurations-jay-sal/v/paramagnetism-and-diamagnetism?utm_source=YT&utm;_medium=Desc&utm;_campaign=chemistry Missed the previous lesson? https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/electron-configurations-jay-sal/v/electron-configurations-in-the-3d-orbitals?utm_source=YT&utm;_medium=Desc&utm;_campaign=chemistry Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channel/UCyEot66LrwWFEMONvrIBh3A?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
-
Lanthenides
Lanthanides and Actinides Lanthanides and actinides are collectively called f-block elements because last electron in them enters into f-orbitals of the antepenultimate (i.e., inner to penultimate) shell partly but incompletely filled in their elementary or ionic states. The name inner transition, elements is also given to them because they constitute transition series with in transition series (d-block elements) and the last electron enters into antepenultimate shell (n-2)f. In addition to incomplete d-subshell, their f-subshell is also incomplete. Thus, these elements have three incomplete outer shells i.e., (n--2), (n--1) and n shells and the general electronic configuration of f-block elements is (n--2) . (1) Lanthanides : The elements with atomic numbers 58 to 71 i.e. cerium to lute...
published: 03 Dec 2012 -
3.2 The f block elements
published: 11 Nov 2014 -
Periodic Table Song/Periodic Table/Lanthanide Metals
Periodic Table Song/Periodic Table/Lanthanide Metals Learn about the lanthanoid elements of the periodic table in this educational animation music video. Don't forget to sing along! Facebook: https://www.facebook.com/kidslearningtube Subscribe: http://www.youtube.com/c/kidslearningtube Tweet Us: https://twitter.com/learningtube Instagram: https://instagram.com/kidslearningtube Add us on Google+: https://plus.google.com/+KidsLearning... Music: Copyright 2016 Kids Learning Tube Video: Copyright 2016 Kids Learning Tube LYRICS: We are the Lanthanoids or the rare earth metals 57 to 71 on the periodic table I’m Lanthanum My symbol is LA My atomic numbers 57 Atomic mass is 138 I mostly used to make Carbon Arc Lights don’t you know Which are used for studio lighting for a motion picture s...
published: 04 Jun 2016 -
LEC 3 3 LANTHANIDE CONTRACTION
published: 18 Dec 2015 -
A brief intro to the lanthanides - Chemical elements: properties and reactions (5/8)
For more like this subscribe to the Open University channel https://www.youtube.com/channel/UCXsH4hSV_kEdAOsupMMm4Qw Free learning from The Open University http://www.open.edu/openlearn/science-maths-technology/science/chemistry --- Shows both the reactions and properties of some chemical elements. (Part 5 of 8) Playlist link - http://www.youtube.com/playlist?list=PL6F28F4865BB49B8C --- Study 'The molecular world' with the OU http://www3.open.ac.uk/study/undergraduate/course/s205.htm Explore qualifications in Science with the OU http://www3.open.ac.uk/study/undergraduate/science/index.htm ---
published: 25 Jul 2008 -
LANTHANIDE.asf
published: 03 Nov 2010 -
Lanthanide and Actinide Series
Elements 57 through 71 also known as Lanthanide series transition metals or rare earth metals. Elements 89 through 103 are the Actinide series transition metals. These are all radioactive.
published: 14 Feb 2012 -
General characteristics of lanthanides
Useful for CBSE, ICSE, NCERT & International Students Grade 12 Subject: Chemistry Lesson :The d-and f-Block Elements Topic: General characteristics of lanthanides The f-block consists of the two series, lanthanoids (the fourteen elements following lanthanum) and actinoids (the fourteen elements following actinium). Because lanthanum closely resembles the lanthanoids, it is usually included in any discussion of the lanthanoids for which the general symbol Ln is often used. Similarly, a discussion of the actinoids includes actinium besides the fourteen elements constituting the series. The lanthanoids resemble one another more closely than do the members of ordinary transition elements in any series. They have only one stable oxidation state and their chemistry provides an excellent opp...
published: 28 Oct 2015 -
clip - Lanthanide (5)
published: 13 Dec 2011 -
Electron configuration for f block element Nd | Chemistry | Khan Academy
Explains where f block fits in in the periodic table, and the n-2 rule. Introduces shorthand notation to get e configuration of Nd based on Xe, and also compares it to the full electron configuration. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/electron-configurations-jay-sal/v/paramagnetism-and-diamagnetism?utm_source=YT&utm;_medium=Desc&utm;_campaign=chemistry Missed the previous lesson? https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/electron-configurations-jay-sal/v/electron-configurations-in-the-3d-orbitals?utm_source=YT&utm;_medium=Desc&utm;_campaign=chemistry Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its comp...
published: 03 Jun 2014
Lanthenides
- Order: Reorder
- Duration: 25:11
- Updated: 03 Dec 2012
- views: 17673
Lanthanides and Actinides
Lanthanides and actinides are collectively called f-block elements because last electron in them enters into f-orbitals of the antep...
Lanthanides and Actinides
Lanthanides and actinides are collectively called f-block elements because last electron in them enters into f-orbitals of the antepenultimate (i.e., inner to penultimate) shell partly but incompletely filled in their elementary or ionic states. The name inner transition, elements is also given to them because they constitute transition series with in transition series (d-block elements) and the last electron enters into antepenultimate shell (n-2)f. In addition to incomplete d-subshell, their f-subshell is also incomplete. Thus, these elements have three incomplete outer shells i.e., (n--2), (n--1) and n shells and the general electronic configuration of f-block elements is (n--2) .
(1) Lanthanides : The elements with atomic numbers 58 to 71 i.e. cerium to lutetium (which come immediately after lanthanum Z = 57) are called lanthanides or lanthanones or rare earths. These elements involve the filling of 4 f-orbitals. Their general electronic configuration is, . Promethium (Pm), atomic number 61 is the only synthetic (man made) radioactive lanthanide.
Properties of lanthanides
(i) These are highly dense metals and possess high melting points.
(ii) They form alloys easily with other metals especially iron. e.g. misch metal consists of a rare earth element (94--95%), iron (upto 5%) and traces of S, C, Ca and Al, pyrophoric alloys contain Ce (40--5%), La + neodymium (44%), Fe (4--5%), Al (0--5%) and the rest is Ca, Si and C. It is used in the preparation of ignition devices e.g., trace bullets and shells and flints for lighters and cigarette.
(iii) Oxidation state : Most stable oxidation state of lanthanides is +3. Oxidation states + 2 and + 4 also exist but they revert to +3 e.g. lose electron to become +3 and hence are good reducing agents, where as Ce4+, Pr4+, Tb4+ in aqueous solution gain electron to become + 3 and hence are good oxidizing agents. There is a large gap in energy of 4 f and 5 d subshells and thus the number of oxidation states is limited.
(iv) Colour : Most of the trivalent lanthanide ions are coloured both in the solid state and in aqueous solution. This is due to the partly filled f-orbitals which permit f--f transition. The elements with xf electrons have a similar colour to those of (14 -- x) electrons.
(v) Magnetic properties : All lanthanide ions with the exception of Lu3+, Yb3+ and Ce 4+ are paramagnetic because they contain unpaired electrons in the 4 f orbitals. These elements differ from the transition elements in that their magnetic moments do not obey the simple "spin only" formula B.M. where n is equal to the number of unpaired electrons. In transition elements, the orbital contribution of the electron towards magnetic moment is usually quenched by interaction with electric fields of the environment but in case of lanthanides the 4f-orbitals lie too deep in the atom for such quenching to occur. Therefore, magnetic moments of lanthanides are calculated by taking into consideration spin as well as orbital contributions and a more complex formula
which involves the orbital quantum number L and spin quantum number S.
(vi) Complex formation : Although the lanthanide ions have a high charge (+3) yet the size of their ions is very large yielding small charge to size ratio i.e., low charge density. As a consequence, they have poor tendency to form complexes. They form complexes mainly with strong chelating agents such as EDTA, -diketones, oxine etc. No complexes with -bonding ligands are known.
(vii) Lanthanide contraction : The regular decrease in the size of lanthanide ions from to is known as lanthanide contraction. It is due to greater effect of the increased nuclear charge than that of the screening effect.
Consequences of lanthanide contraction
(a) It results in slight variation in their chemical properties which helps in their separation by ion exchange
(b) Each element beyond lanthanum has same atomic radius as that of the element lying above it in the group (e.g. Zr 145 pm, Hf 144 pm); Nb 134 pm, Ta 134 pm ; Mo 129 pm, W 130 pm).
d & f block elements,
d and f block chemistry,
d and f block element,
d block chemistry,
f block chemistry,
chemistry of transition elements,
chemistry transition elements,
common transition elements,
inner transition elements properties,
inner transition metals properties,
the inner transition elements,
the inner transition metals,
transition and inner transition metals,
transition chemistry,
transition elements chemistry,
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http://www.studyadda.com/videos/iit-jee-video-solutions/iit-jee-2012-paper-ii-video-solutions/video-solution-of-problem-2-of-iit-jee-ii/83
http://www.studyadda.com/videos/iit-jee-video-solutions/iit-jee-2012-paper-ii-video-solutions/video-solution-of-problem-20-of-iit-jee-ii/84
https://wn.com/Lanthenides
Lanthanides and Actinides
Lanthanides and actinides are collectively called f-block elements because last electron in them enters into f-orbitals of the antepenultimate (i.e., inner to penultimate) shell partly but incompletely filled in their elementary or ionic states. The name inner transition, elements is also given to them because they constitute transition series with in transition series (d-block elements) and the last electron enters into antepenultimate shell (n-2)f. In addition to incomplete d-subshell, their f-subshell is also incomplete. Thus, these elements have three incomplete outer shells i.e., (n--2), (n--1) and n shells and the general electronic configuration of f-block elements is (n--2) .
(1) Lanthanides : The elements with atomic numbers 58 to 71 i.e. cerium to lutetium (which come immediately after lanthanum Z = 57) are called lanthanides or lanthanones or rare earths. These elements involve the filling of 4 f-orbitals. Their general electronic configuration is, . Promethium (Pm), atomic number 61 is the only synthetic (man made) radioactive lanthanide.
Properties of lanthanides
(i) These are highly dense metals and possess high melting points.
(ii) They form alloys easily with other metals especially iron. e.g. misch metal consists of a rare earth element (94--95%), iron (upto 5%) and traces of S, C, Ca and Al, pyrophoric alloys contain Ce (40--5%), La + neodymium (44%), Fe (4--5%), Al (0--5%) and the rest is Ca, Si and C. It is used in the preparation of ignition devices e.g., trace bullets and shells and flints for lighters and cigarette.
(iii) Oxidation state : Most stable oxidation state of lanthanides is +3. Oxidation states + 2 and + 4 also exist but they revert to +3 e.g. lose electron to become +3 and hence are good reducing agents, where as Ce4+, Pr4+, Tb4+ in aqueous solution gain electron to become + 3 and hence are good oxidizing agents. There is a large gap in energy of 4 f and 5 d subshells and thus the number of oxidation states is limited.
(iv) Colour : Most of the trivalent lanthanide ions are coloured both in the solid state and in aqueous solution. This is due to the partly filled f-orbitals which permit f--f transition. The elements with xf electrons have a similar colour to those of (14 -- x) electrons.
(v) Magnetic properties : All lanthanide ions with the exception of Lu3+, Yb3+ and Ce 4+ are paramagnetic because they contain unpaired electrons in the 4 f orbitals. These elements differ from the transition elements in that their magnetic moments do not obey the simple "spin only" formula B.M. where n is equal to the number of unpaired electrons. In transition elements, the orbital contribution of the electron towards magnetic moment is usually quenched by interaction with electric fields of the environment but in case of lanthanides the 4f-orbitals lie too deep in the atom for such quenching to occur. Therefore, magnetic moments of lanthanides are calculated by taking into consideration spin as well as orbital contributions and a more complex formula
which involves the orbital quantum number L and spin quantum number S.
(vi) Complex formation : Although the lanthanide ions have a high charge (+3) yet the size of their ions is very large yielding small charge to size ratio i.e., low charge density. As a consequence, they have poor tendency to form complexes. They form complexes mainly with strong chelating agents such as EDTA, -diketones, oxine etc. No complexes with -bonding ligands are known.
(vii) Lanthanide contraction : The regular decrease in the size of lanthanide ions from to is known as lanthanide contraction. It is due to greater effect of the increased nuclear charge than that of the screening effect.
Consequences of lanthanide contraction
(a) It results in slight variation in their chemical properties which helps in their separation by ion exchange
(b) Each element beyond lanthanum has same atomic radius as that of the element lying above it in the group (e.g. Zr 145 pm, Hf 144 pm); Nb 134 pm, Ta 134 pm ; Mo 129 pm, W 130 pm).
d & f block elements,
d and f block chemistry,
d and f block element,
d block chemistry,
f block chemistry,
chemistry of transition elements,
chemistry transition elements,
common transition elements,
inner transition elements properties,
inner transition metals properties,
the inner transition elements,
the inner transition metals,
transition and inner transition metals,
transition chemistry,
transition elements chemistry,
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http://www.studyadda.com/videos/iit-jee-video-solutions/iit-jee-2012-paper-ii-video-solutions/video-solution-of-problem-2-of-iit-jee-ii/83
http://www.studyadda.com/videos/iit-jee-video-solutions/iit-jee-2012-paper-ii-video-solutions/video-solution-of-problem-20-of-iit-jee-ii/84
- published: 03 Dec 2012
- views: 17673
3.2 The f block elements
- Order: Reorder
- Duration: 1:04:35
- Updated: 11 Nov 2014
- views: 21235
- published: 11 Nov 2014
- views: 21235
Periodic Table Song/Periodic Table/Lanthanide Metals
- Order: Reorder
- Duration: 5:07
- Updated: 04 Jun 2016
- views: 62616
Periodic Table Song/Periodic Table/Lanthanide Metals
Learn about the lanthanoid elements of the periodic table in this educational animation music video. Don't...
Periodic Table Song/Periodic Table/Lanthanide Metals
Learn about the lanthanoid elements of the periodic table in this educational animation music video. Don't forget to sing along!
Facebook: https://www.facebook.com/kidslearningtube
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Music: Copyright 2016 Kids Learning Tube
Video: Copyright 2016 Kids Learning Tube
LYRICS:
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
I’m Lanthanum
My symbol is LA
My atomic numbers 57
Atomic mass is 138
I mostly used to make
Carbon Arc Lights don’t you know
Which are used for studio lighting
for a motion picture show
Hello there I am Cerium
My symbol is Ce
My atomic numbers 58
atomic mass is 140
I am used in motion picture
arc lighting as well
I’m also used in flints for lighters
Now isn’t that swell
Im Praseodymium
My symbol is Pr
My atomic numbers 59
140’s my atomic mass by far
My primary use
is as an alloying agent
I make high strength metals
used in aircraft engines
I’m Neodymium
My symbol is Nd
My atomic mass is 144
My atomic numbers 60
I’m used to make goggles
for glass blowers and welders
and I’m used in some glass to make
Spectrometers
My atomic numbers 61
I am Promethium
My atomic mass is 145
And my symbol is Pm
I could be used to make
a Nuclear battery
with a life span of 5 years
That is satisfactory
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
My atomic numbers 62
I’m Samarium
my atomic mass is 150
and my symbol is Sm
I am also used
in motion picture Arc lighting
I make flints in lighters
now isn’t that exciting
My atomic numbers 63
I am Europium
My symbol is Eu
My atomic mass is 151
The most reactive of the
rare earth metals you know
and I am a good absorber
of neutrons as scientists show
Gd is my symbol
I am Gadolinium
My atomic numbers 64
atomic mass is 157
I’m the greatest element known
to capture thermal neutrons
and in Nuclear reactors
I’m used as control rods
Hi I’m Terbium
my atomic mass 158
My atomic numbers 65
Tb’s my symbol isn’t that great
I was discovered in a quarry
in a town called Ytterby
in the country of Sweden
in 1843
Dysprosium’s my name
My atomic numbers 66
My symbol’s Dy
162’s my atomic mass mix
I absorb neutrons.
And my melting point is high
I’m used in nuclear reactor’s
control rods so they don’t fry
I’m Holmium
My symbol is Ho
Atomic number’s 67
My Atomic mass 164
I’m used in magnets
For my magnetic properties
My name comes from the latin word Holm
as you can plainly see
My symbols Er
I am Erbium
Atomic numbers 68
Atomic mass’s 167
I’m used as a doping agent
in fiber optic cables
I have uses in the nuclear power
industry when able
My atomic number 69
I am Thulium
My atomic mass is 168
and my symbol’s Tm
The least abundant of the
naturally occurring rare earth metals
I’ve been used to create lasers
I have 1 isotope thats stable
I’m Ytterbium
my atomic mass’s 173
my symbol’s Yb
my atomic numbers 70
I have one isotope
that may be used
as a radiation source
in a portable x-ray if approved
My symbol is Lu
I am Lutetium
Atomic mass’s 174
atomic numbers 71
Lutetium’s one of the most
difficult elements to prepare
And has little commercial use
because I am so rare
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
https://wn.com/Periodic_Table_Song_Periodic_Table_Lanthanide_Metals
Periodic Table Song/Periodic Table/Lanthanide Metals
Learn about the lanthanoid elements of the periodic table in this educational animation music video. Don't forget to sing along!
Facebook: https://www.facebook.com/kidslearningtube
Subscribe: http://www.youtube.com/c/kidslearningtube
Tweet Us: https://twitter.com/learningtube
Instagram: https://instagram.com/kidslearningtube
Add us on Google+: https://plus.google.com/+KidsLearning...
Music: Copyright 2016 Kids Learning Tube
Video: Copyright 2016 Kids Learning Tube
LYRICS:
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
I’m Lanthanum
My symbol is LA
My atomic numbers 57
Atomic mass is 138
I mostly used to make
Carbon Arc Lights don’t you know
Which are used for studio lighting
for a motion picture show
Hello there I am Cerium
My symbol is Ce
My atomic numbers 58
atomic mass is 140
I am used in motion picture
arc lighting as well
I’m also used in flints for lighters
Now isn’t that swell
Im Praseodymium
My symbol is Pr
My atomic numbers 59
140’s my atomic mass by far
My primary use
is as an alloying agent
I make high strength metals
used in aircraft engines
I’m Neodymium
My symbol is Nd
My atomic mass is 144
My atomic numbers 60
I’m used to make goggles
for glass blowers and welders
and I’m used in some glass to make
Spectrometers
My atomic numbers 61
I am Promethium
My atomic mass is 145
And my symbol is Pm
I could be used to make
a Nuclear battery
with a life span of 5 years
That is satisfactory
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
My atomic numbers 62
I’m Samarium
my atomic mass is 150
and my symbol is Sm
I am also used
in motion picture Arc lighting
I make flints in lighters
now isn’t that exciting
My atomic numbers 63
I am Europium
My symbol is Eu
My atomic mass is 151
The most reactive of the
rare earth metals you know
and I am a good absorber
of neutrons as scientists show
Gd is my symbol
I am Gadolinium
My atomic numbers 64
atomic mass is 157
I’m the greatest element known
to capture thermal neutrons
and in Nuclear reactors
I’m used as control rods
Hi I’m Terbium
my atomic mass 158
My atomic numbers 65
Tb’s my symbol isn’t that great
I was discovered in a quarry
in a town called Ytterby
in the country of Sweden
in 1843
Dysprosium’s my name
My atomic numbers 66
My symbol’s Dy
162’s my atomic mass mix
I absorb neutrons.
And my melting point is high
I’m used in nuclear reactor’s
control rods so they don’t fry
I’m Holmium
My symbol is Ho
Atomic number’s 67
My Atomic mass 164
I’m used in magnets
For my magnetic properties
My name comes from the latin word Holm
as you can plainly see
My symbols Er
I am Erbium
Atomic numbers 68
Atomic mass’s 167
I’m used as a doping agent
in fiber optic cables
I have uses in the nuclear power
industry when able
My atomic number 69
I am Thulium
My atomic mass is 168
and my symbol’s Tm
The least abundant of the
naturally occurring rare earth metals
I’ve been used to create lasers
I have 1 isotope thats stable
I’m Ytterbium
my atomic mass’s 173
my symbol’s Yb
my atomic numbers 70
I have one isotope
that may be used
as a radiation source
in a portable x-ray if approved
My symbol is Lu
I am Lutetium
Atomic mass’s 174
atomic numbers 71
Lutetium’s one of the most
difficult elements to prepare
And has little commercial use
because I am so rare
We are the Lanthanoids
or the rare earth metals
57 to 71
on the periodic table
- published: 04 Jun 2016
- views: 62616
LEC 3 3 LANTHANIDE CONTRACTION
- Order: Reorder
- Duration: 8:51
- Updated: 18 Dec 2015
- views: 6910
- published: 18 Dec 2015
- views: 6910
A brief intro to the lanthanides - Chemical elements: properties and reactions (5/8)
- Order: Reorder
- Duration: 2:59
- Updated: 25 Jul 2008
- views: 44092
For more like this subscribe to the Open University channel https://www.youtube.com/channel/UCXsH4hSV_kEdAOsupMMm4Qw
Free learning from The Open University htt...
For more like this subscribe to the Open University channel https://www.youtube.com/channel/UCXsH4hSV_kEdAOsupMMm4Qw
Free learning from The Open University http://www.open.edu/openlearn/science-maths-technology/science/chemistry
---
Shows both the reactions and properties of some chemical elements.
(Part 5 of 8)
Playlist link - http://www.youtube.com/playlist?list=PL6F28F4865BB49B8C
---
Study 'The molecular world' with the OU http://www3.open.ac.uk/study/undergraduate/course/s205.htm
Explore qualifications in Science with the OU http://www3.open.ac.uk/study/undergraduate/science/index.htm
---
https://wn.com/A_Brief_Intro_To_The_Lanthanides_Chemical_Elements_Properties_And_Reactions_(5_8)
For more like this subscribe to the Open University channel https://www.youtube.com/channel/UCXsH4hSV_kEdAOsupMMm4Qw
Free learning from The Open University http://www.open.edu/openlearn/science-maths-technology/science/chemistry
---
Shows both the reactions and properties of some chemical elements.
(Part 5 of 8)
Playlist link - http://www.youtube.com/playlist?list=PL6F28F4865BB49B8C
---
Study 'The molecular world' with the OU http://www3.open.ac.uk/study/undergraduate/course/s205.htm
Explore qualifications in Science with the OU http://www3.open.ac.uk/study/undergraduate/science/index.htm
---
- published: 25 Jul 2008
- views: 44092
LANTHANIDE.asf
- Order: Reorder
- Duration: 4:30
- Updated: 03 Nov 2010
- views: 10926
- published: 03 Nov 2010
- views: 10926
Lanthanide and Actinide Series
- Order: Reorder
- Duration: 1:08
- Updated: 14 Feb 2012
- views: 10459
Elements 57 through 71 also known as Lanthanide series transition metals or rare earth metals. Elements 89 through 103 are the Actinide series transition metals...
Elements 57 through 71 also known as Lanthanide series transition metals or rare earth metals. Elements 89 through 103 are the Actinide series transition metals. These are all radioactive.
https://wn.com/Lanthanide_And_Actinide_Series
Elements 57 through 71 also known as Lanthanide series transition metals or rare earth metals. Elements 89 through 103 are the Actinide series transition metals. These are all radioactive.
- published: 14 Feb 2012
- views: 10459
General characteristics of lanthanides
- Order: Reorder
- Duration: 17:30
- Updated: 28 Oct 2015
- views: 2358
Useful for CBSE, ICSE, NCERT & International Students
Grade 12
Subject: Chemistry
Lesson :The d-and f-Block Elements
Topic: General characteristics of lanth...
Useful for CBSE, ICSE, NCERT & International Students
Grade 12
Subject: Chemistry
Lesson :The d-and f-Block Elements
Topic: General characteristics of lanthanides
The f-block consists of the two series, lanthanoids (the fourteen elements following lanthanum) and actinoids (the fourteen elements following actinium). Because lanthanum closely resembles the lanthanoids, it is usually included in any discussion of the lanthanoids for which the general symbol Ln is often used. Similarly, a discussion of the actinoids includes actinium besides the fourteen elements constituting the series. The lanthanoids resemble one another more closely than do the members of ordinary transition elements in any series. They have only one stable oxidation state and their chemistry provides an excellent opportunity to examine the effect of small changes in size and nuclear charge along a series of otherwise similar elements. The chemistry of the actinoids is, on the other hand, much more complicated.
Visit www.oztern.com to find personalized test preparation solutions for Pre Medical - AIPMT, AIIMS, JIPMER, State, Pre Engineering - IIT JEE, JEE MAIN, BITSAT, State and Foundations - Class 6 to 10.
https://wn.com/General_Characteristics_Of_Lanthanides
Useful for CBSE, ICSE, NCERT & International Students
Grade 12
Subject: Chemistry
Lesson :The d-and f-Block Elements
Topic: General characteristics of lanthanides
The f-block consists of the two series, lanthanoids (the fourteen elements following lanthanum) and actinoids (the fourteen elements following actinium). Because lanthanum closely resembles the lanthanoids, it is usually included in any discussion of the lanthanoids for which the general symbol Ln is often used. Similarly, a discussion of the actinoids includes actinium besides the fourteen elements constituting the series. The lanthanoids resemble one another more closely than do the members of ordinary transition elements in any series. They have only one stable oxidation state and their chemistry provides an excellent opportunity to examine the effect of small changes in size and nuclear charge along a series of otherwise similar elements. The chemistry of the actinoids is, on the other hand, much more complicated.
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- published: 28 Oct 2015
- views: 2358
clip - Lanthanide (5)
- Order: Reorder
- Duration: 4:29
- Updated: 13 Dec 2011
- views: 490
- published: 13 Dec 2011
- views: 490
Electron configuration for f block element Nd | Chemistry | Khan Academy
- Order: Reorder
- Duration: 5:56
- Updated: 03 Jun 2014
- views: 101434
Explains where f block fits in in the periodic table, and the n-2 rule. Introduces shorthand notation to get e configuration of Nd based on Xe, and also compare...
Explains where f block fits in in the periodic table, and the n-2 rule. Introduces shorthand notation to get e configuration of Nd based on Xe, and also compares it to the full electron configuration. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/electron-configurations-jay-sal/v/paramagnetism-and-diamagnetism?utm_source=YT&utm;_medium=Desc&utm;_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/electron-configurations-jay-sal/v/electron-configurations-in-the-3d-orbitals?utm_source=YT&utm;_medium=Desc&utm;_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
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Explains where f block fits in in the periodic table, and the n-2 rule. Introduces shorthand notation to get e configuration of Nd based on Xe, and also compares it to the full electron configuration. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/electron-configurations-jay-sal/v/paramagnetism-and-diamagnetism?utm_source=YT&utm;_medium=Desc&utm;_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/electronic-structure-of-atoms/electron-configurations-jay-sal/v/electron-configurations-in-the-3d-orbitals?utm_source=YT&utm;_medium=Desc&utm;_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channel/UCyEot66LrwWFEMONvrIBh3A?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
- published: 03 Jun 2014
- views: 101434
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25:11
Lanthenides
Lanthanides and Actinides
Lanthanides and actinides are collectively called f-block elem...
published: 03 Dec 2012
Lanthenides
Lanthenides
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1:04:35
3.2 The f block elements
published: 11 Nov 2014
3.2 The f block elements
3.2 The f block elements
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5:07
Periodic Table Song/Periodic Table/Lanthanide Metals
Periodic Table Song/Periodic Table/Lanthanide Metals
Learn about the lanthanoid elements ...
published: 04 Jun 2016
Periodic Table Song/Periodic Table/Lanthanide Metals
Periodic Table Song/Periodic Table/Lanthanide Metals
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- published: 04 Jun 2016
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8:51
LEC 3 3 LANTHANIDE CONTRACTION
published: 18 Dec 2015
LEC 3 3 LANTHANIDE CONTRACTION
LEC 3 3 LANTHANIDE CONTRACTION
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- published: 18 Dec 2015
- views: 6910
2:59
A brief intro to the lanthanides - Chemical elements: properties and reactions (5/8)
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published: 25 Jul 2008
A brief intro to the lanthanides - Chemical elements: properties and reactions (5/8)
A brief intro to the lanthanides - Chemical elements: properties and reactions (5/8)
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- published: 25 Jul 2008
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4:30
LANTHANIDE.asf
published: 03 Nov 2010
LANTHANIDE.asf
LANTHANIDE.asf
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- published: 03 Nov 2010
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1:08
Lanthanide and Actinide Series
Elements 57 through 71 also known as Lanthanide series transition metals or rare earth met...
published: 14 Feb 2012
Lanthanide and Actinide Series
Lanthanide and Actinide Series
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- published: 14 Feb 2012
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17:30
General characteristics of lanthanides
Useful for CBSE, ICSE, NCERT & International Students
Grade 12
Subject: Chemistry
Lesso...
published: 28 Oct 2015
General characteristics of lanthanides
General characteristics of lanthanides
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- published: 28 Oct 2015
- views: 2358
4:29
clip - Lanthanide (5)
published: 13 Dec 2011
clip - Lanthanide (5)
clip - Lanthanide (5)
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- published: 13 Dec 2011
- views: 490
5:56
Electron configuration for f block element Nd | Chemistry | Khan Academy
Explains where f block fits in in the periodic table, and the n-2 rule. Introduces shortha...
published: 03 Jun 2014
Electron configuration for f block element Nd | Chemistry | Khan Academy
Electron configuration for f block element Nd | Chemistry | Khan Academy
- Report rights infringement
- published: 03 Jun 2014
- views: 101434
Lanthenides...
3.2 The f block elements...
Periodic Table Song/Periodic Table/Lanthanide Meta...
LEC 3 3 LANTHANIDE CONTRACTION...
A brief intro to the lanthanides - Chemical elemen...
LANTHANIDE.asf...
Lanthanide and Actinide Series...
General characteristics of lanthanides...
clip - Lanthanide (5)...
Electron configuration for f block element Nd | Ch...
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