Question

The compound Fe2O3 contains how many atoms?
A) 2
B) 3
C) 5
D) 7

Answer 1

2 Iron atoms plus 3 oxygen atoms would be equal to that of 5 atoms, in total.

Answer 2

The compound Fe2O3 contains C) 5 total atoms.

This is because there are 2 atoms of Fe (iron) and 3 atoms of O (oxygen) bonded together in this compound, as denoted by the subscripts, and 2+3 = 5.

Hope this helps!