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Antimony (Atomic Number 51) is an Essential Element for US Defense. 80% of it Comes From China. Most of the rest comes from this one mining company — and it’s incidental to the precious metals this ...

Led by Dr. Kosuke Morita at the RIKEN Nishina Center for Accelerator-based Science, a group of scientists specializing in the superheavy elements have established the clearest evidence yet for the ...

Todd M. Hamilton, an associate professor and chair of the department of chemistry at Adrian College, explains. Nuclear scientists continue to expand the periodic table as they detect new elements.

The heaviest element that humans have ever found is called oganesson. Each atom of the stuff packs a whopping 118 protons into its dense center. In contrast, hydrogen—the most abundant element in the ...