Element Encyclopedia

Just For Fun

is the second element of the periodic table. It is a colourless, odourless gas. It is a group 18 element that is totally unreactive.

Symbol: He

Atomic Mass: 4.0026

Atomic Number: 2

Electronegativity: Unknown

Electrons Per Shell: 2

Melting Point: -272 degrees C

Discoverer: Sir William Ramsay

-Being a non-metal, helium has no magnetic properties.

-It is a noble gas and is similar to all other noble gases, with 8 valence electrons.

- It is not reactive at all.

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