If the aufbau principle had not been followed, \( C_{a}(Z=20) \) would have been placed in the :... VIDEO
If the aufbau principle had not been followed, \( C_{a}(Z=20) \) would have been placed in the :
(a) s-block
(b) p-block
(c) d-block
(d) f-block
\( \mathrm{P} \)
W.
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