Difference between revisions of "Hydrogen"
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Chemical symbol: H | Chemical symbol: H | ||
==External Links== | |||
[http://www.webelements.com/webelements/elements/text/H/key.html Hydrogen at WebElements] | |||
[[Category:Science]] | [[Category:Science]] | ||
Latest revision as of 15:16, 14 December 2007
Hydrogen is the first and lightest element on the periodic table. A hydrogen atom consists of a single proton and electron. Hydrogen is highly reactive and is invariably bound to another atom. Its simplest natural form is H2.
Atomic mass: 1.007825 u
Chemical symbol: H