Chemistry · 2011
Classification of Elements and Periodicity in PropertiesElectronic Configurations of Elements and the Periodic Table
NEET 2011 · Prelims · Code A · Q70
If n =6, the correct sequence for filling of electrons will be:
If $\displaystyle \mathrm{n}=6$, the correct sequence for filling of electrons will be :
Official answer
(2)
$\displaystyle \mathrm{ns} \rightarrow(\mathrm{n}-2) \mathrm{f} \rightarrow(\mathrm{n}-1) \mathrm{d} \rightarrow \mathrm{np}$
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