Which of the following electrons configurations correctly represents an inert element?

Chemistry

WAEC 2011

A. 1s²2s²2p⁴
B. 1s²2s²2p⁶3s²
C. 1s²2s²2p⁶3s²3p⁴
D. 1s²2s²2p⁶

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Correct Answer: Option D

Explanation

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Which of the following electrons configurations correctly represents an inert element?

Correct Answer: Option D

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