Question

Rust is a compound with the formula F e 2 O 3 . Which elements combine to form rust?

Answer 1

Remembering the periodic table, Fe is iron and O is oxygen. The elements that combine to create rust are iron and oxygen, with the chemical compound being (Iron)2(Oxygen)3.

Answer 2

Fe represents Iron, and O represents oxygen, so 2 molecules of iron and 3 molecules of oxygen combine to form rust... Hope this helps