Question

What is the Formula and valency of Ferrous??​

Answer 1

Answer:

Answer. The valency of an element is always a whole number. ... In Iron [II] sulfate or ferrous sulfate, i.e., FeSO4, the valency of iron is two. In Iron [III] sulfate or ferric sulfate, i.e., Fe2(SO4)3, the valency of iron is three.