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22-11-2021
Chemistry

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Determine the electron configuration for the magnesium atoms electron shell diagram A) 2-3-2 B) 2-8-7 C) 2-8-3 D) 2-8-2

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22-11-2021

Answer:

Option D

Explanation:

Magnesium has Atomic no Z=12

Electronic configuration is given by

[tex]\\ \sf\longmapsto 1s^22s^22p^63s^2[/tex]

Hence required configuration is 2,8,2

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