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
\( 1s^1 2s^2 2p^6 3s^2 3p^4 \)
Explanation
Correct Option
aNo explanation available
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Discussions (13)
cindy lah posh
9 years ago
The selected answer is wrong:
there is no correct answer in the given options,since the element is aluminium which has atomic number of 13,definitely the right electronic configuration of the element is-1s2,2s2,2p6,3s2,3p1
REF: new school chemistry(ababio),page 54
