Which of the following statements are correct for an electron that has n = 4 and m = -2 ?

Options

A. The electron may be in a p-orbital
B. The electron is in the forth principle electronic shell
C. The electron may be in a d-orbital
D. The electron must have the spin quantum number = -1/2

Answer

B, C

Explanation

`n = 4, m = -2` does not correspon to p-orbital, but it can represent d ot f-orbital.