Which of the following statements are correct for an electron that has n = 4 and m = -2 ? (i)The electron may be in a p-orbital. (ii)The electron is in the forth principle electronic shell. (iii)The electron may be in a d-orbital. (iv)The electron must have the spin quantum number = -1/2

Options

A. (i) and (ii)
B. (i) and (iii)
C. (ii) and (iii)
D. (iii) and (iv)

Answer

C

Explanation

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