Periodic Table -> Helium

Helium

Helium Details

Helium Symbol: He

Helium Atomic Number: 2

Helium Atomic Weight: 4.0026

What is Helium?
Colourless, odourless gaseous nonmetallic element. Belongs to group 18 of the periodic table. Lowest boiling point of all elements and can only be solidified under pressure. Chemically inert, no known compounds. Discovered in the solar spectrum in 1868 by Lockyer.

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