What are the energy (kj/mol) associated with the de-excitation of an electron from n=6 to n=2 in He+ ion? What are the energy (kj/mol) associated with the de-excitation of an electron from n=6 to n=2 in He+ ion? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi [...]