Helium is a non metal; it is an inert gas with a valency of zero. It is a chemical element with atomic number 2 and an atomic weight of 4.002602, which is represented by the symbol He. Helium is the second lightest element and is the second most abundant in the observable universe.
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Answer:
Helium is a non metal; it is an inert gas with a valency of zero. It is a chemical element with atomic number 2 and an atomic weight of 4.002602, which is represented by the symbol He. Helium is the second lightest element and is the second most abundant in the observable universe.
Explanation:
so non metal is the answer