Not considering the electronic spin, the degeneracy of the second excited state (n=3) of H-atom is 9, while the degeneracy of the second excited state of H^− is Not considering the electronic spin the degeneracy of the second excited state (n=3) of H-atom is 9 while the degeneracy of the second excited state of H^− is November 9, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related