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Alkali Metals

Which of the ...

Question

Which of the following is the correct electronic configuration for magnesium?

A

2, 8, 4

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B

2, 8, 3

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C

2, 8, 1

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D

2, 8, 2

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Solution

The correct option is D
2, 8, 2

The atomic number of magnesium is (Z=12). Therefore, 2,8,2 is the correct electronic configuration of magnesium.

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