1. The quantum number ml can have values from:

Question

0 to 1.

2. The total number of orbitals possible at the l = 0 sublevel is:

1

Am I correct?

Answer 1

1. The value of ml can vary from -l to +l in increments of 1. For example, if l = 2, ml can have values of -2, -1, 0, +1, +2

2. correct for 1.