Difference between revisions of "Helium"
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Darth Servo (talk | contribs) (New page: Element comprised of two protons and two neutrons in its nucleus. Light inert gas. Atomic mass: 4.002602 g/mol Chemical symbol: He Category:Science) |
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Revision as of 03:15, 14 December 2007
Element comprised of two protons and two neutrons in its nucleus. Light inert gas.
Atomic mass: 4.002602 g/mol
Chemical symbol: He