Question

valency for first 20 elements.solve it with explanation​

Answer 1

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.

Answer 2

$\huge\star\underline{\mathtt\red{A}\mathtt\green{N}\mathtt\blue{S}\mathtt\purple{W}\mathtt\orange{E}\mathtt\pink{R}}\star\:$