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MariettaO [177]
3 years ago
10

What is the total number of electrons in a Mg2+ ion?(1) 10 (3) 14 (2) 12 (4) 24

Chemistry
1 answer:
Citrus2011 [14]3 years ago
5 0
The answer is (1) 10. The protons of Mg atom is 12. So the Mg atom has 12 electrons. The Mg2+ ion has lost two electrons so it has two positive charge. Then the answer is 10 electrons.
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