Question

The formula of a compound is A2B3 1)What is the valency of positive radical in the formula? 2)What is the valency of acidic radical in the formula?

Answer 1

Answer:

1) 3

2) 2

are the answer..............

Answer 2

Answer:

Explanation:

Mg2+ and

PO4^3- . The charge of Mg which is 2 will interchange with PO4 's charge which is 3(because in compound formation,the negative sign is always ignored) to yield the compound Mg3(PO4)2 .Take care