Atomic number of mg is 12 and it's mass number is 24. How many protons and electron's does a mg²+ ion have?
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Answer:
Protons : 12
Electrons : 12
Explanation:
The number of electrons in an atom is equal to it's atomic number. Here, atomic number of Mg is 12. So there are 12 electrons in it. The number of protons is equal to number of electrons, which is 12.
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