The number of each subatomic particle in ²⁴Mg²⁺ are:

• A. 12 protons, 10 electrons, 10 neutrons
• B. 13 protons, 11 electrons, 11 neutrons
• C. 12 protons, 10 electrons, 12 neutrons
• D. 11 protons, 11 electrons, 13 neutrons
• E. 11 protons, 19 electrons, 13 neutrons

Answer: (C)