Questions

Find the odd element from the given electronic configuration.

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1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1}

1 s^{2} 2 s^{2}

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{1}

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{1}

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detailed solution

Correct option is C

A, B, and D's electrical configurations match that of s-block components. The d-block element C has the same electrical arrangement as that element.

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