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Helium

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Helium is a chemical element, having the chemical symbol He. Its atomic number (number of protons) is 2. It has a Standard Atomic Weight of 4.002602, and is typically found as a gas in its elemental form. Helium is considered to be a member of the "Noble Gas" family of elements, has a boiling point of -268.93°C, and a melting point of -272.05°C* .
Helium
4.002602



  He
2
1s2
[ ? ] Noble Gas:
Properties:
Metallic
Uses:
Balloons, Many scientific uses.
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