The ground state energy of hydrogen atom is -13.6 eV . The energy of second excited state of He^+ ion in eV is : The ground state energy of hydrogen atom is - 13.6 eV . The energy of second excited state of He^+ ion in eV is December 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related