Question

Question #3d416

Answer 1

Here's what I get.

Explanation:

(a) 3 0 0

`n = 3` tells you that this is the third energy level and `l=0` tells that it is an `"s"` orbtal.

Together they tell you that this is a `"3s"` electron.

(b) 2 1 1

The principal quantum number `n = 2` tells you that this is the second energy level and `l = 1` tells you that it is a `"p"` orbital.

Together they tell you that this is a `"2p"` electron.

The magnetic quantum number `m_l = 1` tells you the orientation of the orbital in a magnetic field.

Thus the electron is in one of the three `"3p"` orbitals.

(c) 4 2- 1

Impossible! You cannot have `l = "-2"`.

The allowed values go from `l = 0` to `n-1` (i.e. `l = 0, 1, 2, 3`)

(d) 3 3 2

Impossible! You cannot have `l = "3"`.

The allowed values go from `l = 0` to `n-1` (i.e. `l = 0, 1, 2`)

(e) 3 1 2

Impossible! You cannot have `m_l = "2"`.

The allowed values of `m_l` go from `"-"l` to `"+"l` (i.e. `m_l = -1, 0, 1`).