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Periodic Table of Elements: Los Alamos National Laboratory
The Chemistry Division's Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element.
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Periodic Table of Elements: Los Alamos National Laboratory
See About the Periodic Table for information on how Group can be used to characterize an element. Group 1: alkali metals, or lithium family Group 2: alkaline earth metals, or beryllium family Group 3:...
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Periodic Table of Elements: Los Alamos National Laboratory
History From the Greek word barys, heavy. Baryta was distinguished from lime by Scheele in 1774; the element was discovered by Sir Humphrey Davy in 1808. Sources It is found only in combination with ...
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Periodic Table of Elements: Los Alamos National Laboratory
History Morten Esmark found a black mineral on Løvøya island, Norway and gave a sample to his father Jens Esmark, a noted mineralogist. The elder Esmark was not able to identify it and sent a sample t...
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Periodic Table of Elements: Los Alamos National Laboratory
−4 (an amphoteric oxide) From the Latin. word silex, silicis, flint. In 1800, Davy thought silica to be a compound and not an element; but in 1811, Gay Lussac and Thenard probably prepared impure am...
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Periodic Table of Elements: Los Alamos National Laboratory
3, 2, 1 History Plutonium is the second transuranium element of the actinide series. Element 93 was discovered in 1940/41 by Glenn T. Seaborg, Edwin M. McMillan, J. W. Kennedy, and A. C. Wahl by deute...