Question

How much is the chemotherapy in FeS2?explain

Answer 1

Answer:

Valence of iron in FeS2

Let the valency of iron be x

x+2(oxidation number of Sulphur)=0 as their is no charge on FeS2

As sulphur belongs to Group VI (chalcogens) so the valency/oxidation number of Sulphur is -2

x+2(-2)=0

x-4=0

x=4

So the valency/oxidation number of iron in FeS2 is +4

Explanation:

Hope it will help you monkey ^_^ it's crab

Answer 2

Answer:

Hope you are better now your parents must be worried about you get well soon  drink plenty of milk it will make your bones strong.

NOW TIME FOR WISHES ^_^