Question

If Mg 2+ has 12 protons and 12 neutrons,what is it’s atomic number and mass

number?​

Answer 1

Answer:

Atomic number = 12

Mass number = 24

Explanation:

Mg²⁺ has 12 protons and 12 neutrons.

Atomic number = no of protons = 12//

Mass number = no of nucleons = no of protons + no of neutrons = 12 + 12

                      = 24//

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