Question

Which orbital could this be.. 4py, 4dyz, 5py or 5dyz?

A hydrogen atom orbital that has two radial nodes and two planar nodes

Answer 1

`5d_(yz)`

Explanation:

• Angular nodes `= l`

• Radial nodes `= n - l - 1`

Angular nodes is 2. It means it’s d-orbital (∵ `l` is 2 for d-orbital)

Now, from radial node formula...,

`2 = n - 2 - 1`

`n = 5`

Hence it’s any 5d orbital. In options there is only one 5d orbital, that is `5d_(yz)`