- published: 14 Jan 2017
- views: 20440
Scandium is a chemical element with symbol Sc and atomic number 21. A silvery-white metallic d-block element, it has historically been sometimes classified as a rare earth element, together with yttrium and the lanthanoids. It was discovered in 1879 by spectral analysis of the minerals euxenite and gadolinite from Scandinavia.
Scandium is present in most of the deposits of rare earth and uranium compounds, but it is extracted from these ores in only a few mines worldwide. Because of the low availability and the difficulties in the preparation of metallic scandium, which was first done in 1937, it took until the 1970s before applications for scandium were developed. The positive effects of scandium on aluminium alloys were discovered in the 1970s, and its use in such alloys remains its only major application. The global trade of scandium oxide is about 10 tonnes per year.
The properties of scandium compounds are intermediate between those of aluminium and yttrium. A diagonal relationship exists between the behavior of magnesium and scandium, just as there is between beryllium and aluminium. In the chemical compounds of the elements in group 3, the predominant oxidation state is +3.
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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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Patreon: https://www.patreon.com/Thoisoi?ty=h Facebook: https://www.facebook.com/thoisoi2 Interesting page about chemical experiments: http://m.chemicum.com/ Instagram: https://www.instagram.com/thoisoi/ So today I will tell you about such metal as scandium. Scandium is a rare earth metal that is located in the 3rd group of the periodic table of chemical elements. You can find about 10 grams of scandium per ton in the earth’s crust, and the richest in scandium rocks are found in Norway and Madagascar. In appearance, scandium is a shiny metal with a yellowish tint due to the scandium oxide layer covering the metal. Because of its rarity and high chemical activity, scandium has a very high price to it. This piece of scandium, weighing 1.3 grams, costs about $40. Its density is 2.98 g / cm3...
We've updated our Scandium video with a little help from a fan. More chemistry at http://www.periodicvideos.com/
New version of our Scandium video can be found at http://www.youtube.com/watch?v=KkKv5ilmRjY Scandium is element number 21 on the periodic table. More at http://www.periodicvideos.com
Err, Moto! I was curious before buying the S&W; 329 scandium revolver chambered in the beastly .44 Magnum as to the difference in its ability to handle said rounds recoil. Now, if you're in the market it can be invaluable to get some empirical evidence in regards to either a stainless steel or a scandium variant revolver for carry. I myself, hate talking videos that preach common sense and rhetoric. So I figured I would spare you and make what I would want to watch; shooting. So as you can/could see in the video, the recoil impulse is not that different. Yes, the muzzle flip with the scandium frame is more prevalent but it doesn't interfere with ones ability to fire it effectively. I think it is a good trade off; lightweight heavy hitting revolver that is far more comfortable to carry that ...
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Speaking with the Investing News Network (INN) at this year's Vancouver Resource Investment Conference (VRIC), John Kaiser of Kaiser Research shared his thoughts on the junior resource sector under a Trump presidency, while making a strong case for scandium and explaining what investors should know about the metal. In terms of the junior resource sector, Kaiser said there's a lot of uncertainty about what may happen over the next four years under Trump. He said that if Trump can persuade the Republican Party that the US should go on a "fiscal spending boom," it will benefit not just the junior resource sector, but metals overall. He added, "it will give a macroeconomic push for demand for all the different raw materials, but also help accomplish what the Republicans have always done: whi...
March 12, 2013 -- In a ProEdgeWire special focus interview, Tracy Weslosky interviews Andrew Gillies, CEO of Metallica Minerals (ASX: MLM) on scandium. The #2 critical mineral, scandium "It is very difficult to buy scandium, hence the prices are going up. Obviously there is a lot of activity in the fuel cell sector...depending on the quantity and the purity it can be between $3000 and $7000 a kilogram." Scandium is the eighth rarest element on Earth (it can offer appear in meteorites) and it is powerful refiner of particles, which when added to aluminum alloys increases its strength and durability by 50% (almost twice as strong as aluminum series 6061 or 7005), in turn allowing for the use of less material to achieve the desired characteristics, translating to less weight. For an addition...
Scandium International Mining Corp. (TSX:SCY) owns an 80% interest in the Nyngan Scandium Project, located in New South Wales, Australia, approximately 500 kilometers northwest of Sydney.
The image is based on an 8th century Norse figurine and carved runic standing stone from Sweden. Scandium is derived from the Latin Scandia meaning "Scandinavia". The element was discovered in 1879 by spectral analysis of Scandinavian minerals euxenite and gadolinite. © Murray Robertson - Scandium from a visual interpretation of the periodic table of elements, available from http://www.rsc.org/visualelements
At the 2015 PDAC International Convention, Trade Show & Investors Exchange, Resource Investing News spoke with John Kaiser of Kaiser Research about his outlook for scandium and the broader metals markets. Kaiser is bullish on scandium, and spoke about what's driving his predictions for the metal. While he admits that there's currently only about ten tonnes of supply of the obscure metal, he pointed out that there's more than just ten tonnes of demand. "There's an enormous latent demand for scandium if it ever became available on a primary, scalable basis," he said, adding that hundreds and thousands of patents have been filed regarding scandium. With big deposits being found in Australia, the story could become more prominent in the near future, with a market driven by juniors rather tha...