A colorless, highly flammable element, that occurs as a diatomic molecule, H2, the lightest of all gases and the most abundant element in the universe, used in ...
At room temperature
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Jan 23, 2015
a nonmetallic element that is the simplest and lightest of the elements, is normally a colorless odorless highly flammable diatomic gas, and is used especially in ...
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Facts. Date of Discovery: 1766. Discoverer: Henry Cavendish Name Origin: From
the Greek words hudôr (water) and gennan (generate)