Question

What is the name of `Sn(CrO_4)_2`?

Answer 1

Tin(IV) Chromate

Explanation:

`"Sn"` is the element Tin.
`"CrO"_4` is the chromate ion, which has a charge of `-2`
The total charge of the chromate ions is `-4`, so Tin must have a charge of `+4` to compensate. This means that Tin forms a `+4` ion and is denoted by a Roman Numeral IV in parentheses. Therefore, the full name is Tin(IV) Chromate.