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  4. The maximum number of sub-levels, orbitals and electrons in N shell of an atom are respectively

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Q. The maximum number of sub-levels, orbitals and electrons in $N$ shell of an atom are respectively

EAMCETEAMCET 2007Structure of Atom

Solution:

For ' $N$ ' shell,
$\because$ The number of shell $(n)=4$
$\therefore $ The number of sub-levels or sub-shell $(l)=4$
The number of orbitals $=n^{2}=4^{2}=16$
and the number of electrons
$=2 n^{2}=2 \times 4^{2}=32$