Question

State the valencies and electronic configurations of the elements of atomic numbers 6, 7 and 8 . What type of valency do they have and why ?

Answer 1

• Atomic number 6

Electronic Configuration - 2, 4

Valency- 4

• Atomic Number 7

Electronic Configuration- 2, 5

Valency- 3

• Atomic Number 8

Electrons Configuration- 2, 6

Valency- 2