MCQ
The number of orbitals in a shell is:
- ✓$n ^2$
- B$2 n ^2$
- C$2 l+1$
- D$2(2 l+1)$
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$\begin{array}{*{20}{c}}
{C{H_3}C{H_2} - N - C{H_2}C{H_3}} \\
{|\,} \\
{C{H_3}}
\end{array}$
is :