Question

Li,Be,B,C,O,F,Ne elements valence,valency shell

Answer 1

Answer:

Lthium 1, -1

Beryllium 2

Boron 3, 2, 1

Carbon 4, 3, 2, 1, -1, -2, -4

Nitrogen 5, 4, 3, 2, 1, 0, -1, -2, -3

Oxygen 2, 1, 0, -1, -2

Fluorine 0, -1