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 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 2 - Atomic Structure , Chemistry , Facebook Messenger WhatsApp Share this:TwitterFacebook Related