Among the following , the energy of 2s orbital is lowest in (a) K (b) Na (c) Li (d) H Among the following the energy of 2s orbital is lowest in (a) K (b) Na (c) Li (d) H November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related