Question

why valancy of chromium is three?​

Answer 1

Answer:Valency is the combining capacity of an element. It is equal to the number hydrogen atoms with which one atom of a particular element combines to form its normal hydride. ... Hence, the valencies of chromium can be taken as 2 and 3, as in the case of iron, which is also a transition metal.

Explanation:

Answer 2

Answer:

It is equal to the number of hydrogen atoms which one atom of a particular element combines to form its hydride.

Hence valencies of chromium can be taken as 2, 3 .

But it's valency is 6.

Explanation:

Hope it helps you....