Chemistry, asked by monicaakan24, 3 months ago

Varlency of the first 20 elements

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Answered by diyabhana

0

Answer:

Valency of first 20 elements is given below.

Hydrogen (H) = 1.

Helium (He) = 0.

Lithium (Li) = 1.

Beryllium (Be) = 2.

Boron (B) = 3.

Carbon (C) = 4.

Nitrogen (N) = 3.

Oxygen (O) = 2.

Answered by itzsecretagent

5

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