Match the atomic number 4,14,8,15,19 with the each of the following :

(a) A solid non metal of valency 3

(b) A gas of the valence 2

(c) A metal of the valence 1

(d) A non metal of the valence 4 

Asked by meenajaipur9 | 23rd May, 2020, 11:44: AM

Expert Answer:

(a) A solid non metal of valency 3

     Phosphorous (15): 2,8,5 

(b) A gas of the valency 2

      Oxygen (8): 2,6

(c) A metal of the valency 1

     Potassium (19): 2,8,8,1

(d) A non metal of the valency 4

      Silicon(14): 2,8,4

Answered by Varsha | 24th May, 2020, 03:10: PM