Question on: JAMB Chemistry - 2015
Electronic configuration of an elements 13x in the subsidiary energy level is
A
\( 1s^2 2s^2 2p^6 3s^2 3p^1 \)
B
\( 1s^22s^2 2p^4 3p^1 3s^1 \)
C
\( 1s^2 2s^2 2p^6 3s^2 3p^3 \)
D
\( 1s^1 2s^2 2p^6 3s^2 3p^4 \)
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Correct Option: A
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