Question

The valency of an element A is 3 and that of element B
is 2. Write the formula of the compound formed by the
combination of A and B.​

Answer 1

Answer:

The cation is A3+ nd anion is B2-

so the compund is

2A3+ + 3B2- ------> A2B3.

Answer 2

Answer:

This is the easiest way to get the answer

While like these questions are coming for exam..

This method is known as cross method

Explanation:

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