Write the electronic configurations of the elements with the atomic numbers 61, 91, 101, and 109.

Explanation

`{:("Atomic no.","Element","Electronic confg."),(61,"Pm",[Xe]4f^(5)5d^(0)6s^(2)),(91,"Pa",[Rn]5f^(2)6d^(1)7s^(2)),(101,"Md",[Rn]5f^(13)6d^(0)7s^(2)),(109,"Mt",[Rn]5f^(14)6d^(7)7s^(2)):}`