1.

How many orbitals are possible for n=4?

Answer»

Solution :If `n = 4`, the POSSIBLE NUMBER of orbitals are calculated as FOLLOWS.
n = 4 main `""` main shell = N
If `n = 4 "" `L values are 0,1, 2, 3
If `l = 0 ""` 4s orbital = 1 orbital
If `l = 1 ""` 4s orbtial = 1 orbital
If `l = 0 ""` 4s orbital = 1 orbital
If `l = 0 "" m = -1, 0 , +1 = 3` orbitals.
If `l = 2 "" m = -2, -1, 0, +1, + 2 = 5"` orbitals.
If `l = 3"" m = -3, -2, -1, 0, +1, +2, +3 = 7` orbitals
`:.` Total number of orbitals = 16 orbitals.


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