Difference between revisions of "Helium"

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Element comprised of two protons and two neutrons in its nucleus. Light inert gas.
'''Helium''' is a light element comprised of two protons and two neutrons in its nucleus. Helium is chemically inert.


Atomic mass: 4.002602 g/mol
Atomic mass: 4.002602 g/mol

Revision as of 15:18, 14 December 2007

Helium is a light element comprised of two protons and two neutrons in its nucleus. Helium is chemically inert.

Atomic mass: 4.002602 g/mol

Chemical symbol: He

External Links

Helium at WebElements