Question

Valency of nitrogen . Valency of zinc. Valency of aluminum. Valency of sulphate radical. Valency of phosphate radical .

Answer 1

valency of nitrogen 3

zinc 2

aluminium 3

sulphate radical 2

phosphate radical 3

Answer 2

In serial order..

1.n¹-

2.zn¹+

So Below 4²-