Question

Which of the following is a divalent cation:

1) Oxide ion

2) Magnesium ion

3) Aluminium ion

4) Ammonium ion​

Answer 1

Answer:

oxide ion is a divalent cation.

please Mark this brainalist answer

Answer 2

$\huge\bf\blue{Answer}$

Explanation:

As divalent cation is 2+ valency (Cation=>+ve charged) which are metals.

So divalent cation = Magnesium (Mg^2+).

So option2) Magnesium ion is the correct answer.

HOPE IT HELPS.