Question

Write down th formulae of the following radicals using cris cross method :-

a) Zinc nitrate

b) Sodium sulphite

c) Calcium bicarbonate

d) Aluminium nitride

e) Ammonium carbonate

f) Cupric sulphate​

Answer 1

a)Zinc Nitrate

Zn. NO3

2+ 1-

Zn(NO3)2

b)Sodium Sulphite

Na. SO3

1+ 2-

Na2SO3

C) Calcium bicarbonate

Ca. HCO3

2+ 1-

Ca(HCO3)2

d) Aluminium Nitride

Al. N

3+ 3-

AlN

e)Ammonium Carbonate

NH4. CO3

1+ 1-

NH4CO3

f)Cupric Sulphate

Cu. SO4

2+ 2-

CuSO4