The correct decreasing order of first ionisation enthalpies of five elements of the second period is (a) Be > B > C > N > F The correct decreasing order of first ionisation enthalpies of five elements of the second period is (a) Be > B > C > N > F November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related