Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue investigates chemical reactions involving sodium. Find out how the electron configuration of ...

High Pressure Yields Novel Single-element Boron 'Compound' Date: February 4, 2009 Source: Stony Brook University Summary: Scientists have found the first case of an ionic crystal consisting of just ...

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