Al_{2}O Al_{2}O_{3} 2AlO_{3} Al_{3}O_{2}
An aluminum ion has a charge of +3, and an oxide ion has a charge of -2. Which would be the product of a reaction between these two elements?

Options:
- Al_{2}O
- Al_{2}O_{3}
- 2AlO_{3}
- Al_{3}O_{2}

Al_{2}O_{3}