Classification Of Quantum numbers
Quantum Number
Quantum Number: The four quantities or numbers by which the size, shape, three-dimensional orientation (orbital spatial distribution) of an electron’s orbit or energy level in an atom, and the direction of electron spin are expressed, are collectively called Quantum Numbers.
The names of these four quantum numbers are:
- Principal Quantum Number, n
- Azimuthal Quantum Number, l
- Magnetic Quantum Number, m
- Spin Quantum Number, s
