Assertion : The first ionization energy of Be is greater than that of B Reason : 2p-orbital is lower in energy than 2s Assertion : The first ionization energy of Be is greater than that of B Reason : 2p-orbital is lower in energy than 2s November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related