Question

general formula for number of orbitals​

Answer 1

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The number of orbitals in a shell is the square of the principal quantum number: 12 = 1, 22 = 4, 32 = 9. There is one orbital in an s subshell (l = 0), three orbitals in a p subshell (l = 1), and five orbitals in a d subshell (l = 2). The number of orbitals in a subshell is therefore 2(l) + 1.

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Answer 2

Explanation:

You may have noticed above that the examples followed the formula number of orbitals = n2. For n = 3, there were nine, and for n = 4, there were 16. This turns out to be a general rule, so for n = 2, there are 22 = 4 orbitals, and for n = 5 there are 52 = 25 orbitals.Apr 27, 2018