D and F Block Elements

Question

Which one of the lanthanoids given below is the most stable in divalent form?

Accepted Answer

Option C. The stability of a divalent state can often be attributed to the stability of the electron configuration of that state. Among the options given, we can evaluate the electron configurations of each element in their divalent state to find out which is the most stable. The electronic configurations of the neutral atoms are :

More on D and F Block Elements

D and F Block Elements

More on D and F Block Elements