Question

What is element 61 called?

Answer 1

Answer:

Pm:- Promethium ...

I hope this will help you

Answer 2

Element 61 is known as Promethium.

• The atomic  number of element is 61 and hence belongs to f block as the last electron enters if the f subshell and hence belong to class of lanthanoids.
• The element is represented by Pm and has configuration as [Xe]4f^5, 5d^0, 6s^2. It is also known as rare earth element.
• The only stable oxidation state of promethium is +3, but since it belongs to f block so can show variable oxidation state.
• Promethium is used for atomic batteries  and in light signals.