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प्रश्न
Which of the following represents the correct electron distribution in magnesium ion?
विकल्प
2, 8
2, 8, 1
2, 8, 2
2, 8, 3
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उत्तर
2,8
Magnesium ion, Mg2+ has 10 electrons; so, its electronic configuration is 2, 8.
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