8. The electronic configuration of an atom having atomic number ‘20’ is A.2, 8, 10 B.2, 6, 8, 4 C.2, 8, 8, 2 D.2, 10, 8

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Abhishek Mishra

2 years ago

Answer: Option C Solution: The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2.

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