Easy
"No two electrons in an atom can have the identical set of four quantum numbers." The statement is known as
- APauli's exclusion principle.
- BHund's rule.
- CAufbau rule.
- DHeisenberg uncertainty principle.
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In an atom, the order of increasing energy of electrons with quantum numbers $(i)$ $n=4, l=1$, (ii) $n=4, l=0$, (iii) $n=3, l=2$, and (iv) $n=3, l=1$ is:
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