15 how many protons are in this magnesium ion? * (0.5 points) enter your answer

15 how many protons are in this magnesium ion? * (0.5 points) enter your answer

15 how many protons are in this magnesium ion? * (0.5 points) enter your answer

Answer

Explanation:

Step1: Identify atomic number significance

The atomic number represents proton number.

Step2: Locate atomic number of Mg

For Mg, the atomic number is 12.

Answer:

12