Sp hybridization refers to the inclusion of an S orbital, a P orbital and * * * two hybrid orbitals.

Sp3 means that it contains one S orbit, three P orbits and * * * four mixed orbits.

Spdf corresponds to principal quantum number n =0 0, 1, 2, 3 respectively.

The corresponding orbital number is 2n plus 1, that is, 1, 3, 5, 7.

Each orbit can hold at most two electrons, namely 2,6, 10, 14.

I hope it will help you and I hope it will be adopted.