Easy
The ground state term symbol for an electronic state is governed by
- AHeisenberg's uncertainty principle
- BHund's rule
- CAufbau principle
- DPauli exclusion principle
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Similar Questions
The quantum number which explains the line spectra observed as doublets in the case of hydrogen and alkali metals, and doublets and triplets in the case of alkaline earth metals is:
What is meant by electronic configuration?
Easy
View SolutionIf the given four electronic configurations:
$(i)$ $n=4, l=1$
$(ii)$ $n=4, l=0$
$(iii)$ $n=3, l=2$
$(iv)$ $n=3, l=1$
are arranged in order of increasing energy, then the order will be:
$(i)$ $n=4, l=1$
$(ii)$ $n=4, l=0$
$(iii)$ $n=3, l=2$
$(iv)$ $n=3, l=1$
are arranged in order of increasing energy, then the order will be:
What is the decreasing order of energy for the $2s$-orbital of $H, Li, Na$,and $K$ atoms?
Medium
View SolutionChoose the correct alternatives. The number of unpaired electrons in an atom of:
Medium
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