Predict the valency of the following elements

CBSE Class 9 CBSE Class 9 Science
, ,
1

Predict the valency of the following elements

  1. A (Atomic number 5)
  2. B (Atomic number 12)
  3. C (Atomic number 14)
  4. D (Atomic number 17)

Answer:

  1. Valency of element ‘A’ = 8 - 5 =3
  2. Valency of element ‘B’ = 12 - 10 = 2
  3. Valency of element ‘C’= 14-10 = 4
  4. Valency of element ‘D’= 18-17=1