Which of the following Actinoid cannot have an electron in 5f-orbital?

Uranium

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Thorium

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Plutonium

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Nobelium

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Thorium
Thorium cannot have an electron in 5f-orbital. 5f and 6d subshells have almost equal energy.

The electronic configuration of Th is $[R n] 6 d^{2} 7 s^{2}$ .

Suggest Corrections

Similar questions

5 f

Elements of Actinoid series have general outer electronic configuration of:

Join BYJU'S Learning Program