Question

1. write the chemical symbol for a magnesium ion with 12 protons, 12 neutrons, and a +2 charge.

Explanation:

Step1: Recall chemical symbol rules

For an ion, element symbol is used with charge as superscript.

Step2: Identify element and charge

Magnesium's symbol is Mg, charge is +2.

Answer:

$Mg^{2 + }$