Question

During her presentation, Zahara was asked several questions from the audience and to provide the molecular formula for molecules that the audience had questions about. Show Zahara how to name Type 2 ionic compounds.AuCl3

Answer 1

The compound is formed by 1 atom of gold and 3 atoms of chlorine.

In this case, the gold atom must have a charge of +3 in order to have a compound with a net charge of zero because the molecule Cl3 has a charge of -3. This is why the name of the compound is Gold(III) Chloride.