Question

.Iron(III)oxide is a chemical compound found in Haematite, an iron ore.
a) Give the symbol of all the elements in Iron (III) Oxide.

b) Give the formulae of Iron (II) Oxide &Iron (III) Oxide.​

Answer 1

Answer:

FeO and Fe2O3

Explanation:

in the first

Fe2+ O2-

=FeO

in second

Fe3+. O2-

=Fe2O3