Ga

Al

B

In

HC $$ \equiv $$ C — C $$ \equiv $$ CH

CH₂ = CH — C $$ \equiv $$ CH

CH₂ = CH — CH = CH₂

CH₃ — CH = CH — CH₃

Total orbital angular momentum of electron in s-orbital is equal to zero.

An orbital is designated by three quantum numbers while an electron in an atom is designated by four quantum numbers

The electronic configuration of N atom is

The value of m for dz² is zero.