Question

Explain and illustrate the notation for distinguishing between the different p orbitals in a sublevel.

Answer 1

Px, Py and Pz.

Step-by-step explanation:

The 3 orbitals have the same shape (a figure of 8 as a 2-dimensional drawing but think 3-d, like 2 balloons tied together), and are oriented in space differently.

If you draw a 3-dimensional (Cartesian) set of axes, the y axis will be in the plane of the paper pointing right, the z axis will be in the plane of the paper pointing up, and the x axis will be coming out of the paper towards you. The Px, Py and Pz notation simply comes from having a p-orbital on each of the 3 axes.

Answer 2

Here, the three different notation of the p-orbital in different sub-level have to generate

The value of azimuthal quantum number (l) for -p orbital is 1. We know that the magnetic quantum number
`m_(l)` depends upon the value of l, which are -l to +l.

Thus for p-orbital the possible magnetic quantum numbers are- -1, 0, +1. So there will be three orbitals for p orbitals, which are designated as
`p_(x)`,
`p_(y)` and
`p_(z)` in space.

The three p-orbital can be distinguish by the quantum numbers as-

For 2p orbitals (principal quantum number is 2)

1) n = 2, l = 1, m = -1

2) n = 2, l = 1, m = 0

3) n = 2, l = 1, m = +1

Thus the notation of different p-orbitals in the sub level are determined.