Question

Oxidation state of frist 30 Element

Answer 1

Explanation:

Hydrogen 1

Helium  0

Lithium  1

Beryllium 2

Boron  3

Carbon  4

Nitrogen 3

Oxygen  2

Fluorine  1

Neon  0

Sodium  1

Magnesium 2

Aluminum 3

Silicon         4

Phosphorus 3

Sulphur  2

Chlorine  1

Argon  0

Potassium 1

Calcium   2