Atom with the electron configuration of 1S\(^2\)2S\(^2\)2P\(^6\)3S\(^2\) belongs to

Chemistry

JAMB 2025

A. Group 3 and Period 2
B. Group 8 and Period 3
C. Group 2 and Period 3
D. Group 2 and Period 6

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Correct Answer: Option C

Explanation

Magnesium (Mg) belongs to Group 2 (the Alkaline Earth metals) and Period 3 of the periodic table, meaning it has 2 valence electrons and three electron shells, placing it in the s-block.

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Atom with the electron configuration of 1S\(^2\)2S\(^2\)2P\(^6\)3S\(^2\) belongs to

Correct Answer: Option C

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