Question

A calcium ion has 20 protons and 18 electrons. Each proton has a +1 charge and each electron has a -1 charge. What is the charge of the calcium ion?

Answer 1

The answer is +2. Hope this helped :D

Explanation:

Answer 2

Ca^(2+) or the charge is 2 plus or just 2

Explanation:

Charge on the calcium ion = 20*(+1) + 18*(-1) = 20 - 18 = 2

The charge on the calcium ion is +2