Question

Symbol of helium.
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Answer 1

Answer:

Symbol = He

Atomic number = 2

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Answer 2

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Symbol of Helium is He

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Additional Information :-

◇ Helium ◇

Helium is a chemical element. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas. Its boiling point is the lowest among all the elements. Helium was invented by Pierre Jules César Janssen in 1895. The name, 'helium' is derived from the Greek, 'helios' meaning sun, as it was in the sun's corona that helium was first detected.

Atomic Number - 2

Atomic Mass - 4.002602 u

Molecular Formula - He

Electrons per shell - 2

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