Diagonal relationship is shown by (a) Elements of first period (b) Elements of second period (c) Elements of third period (d) Both (b) and (c) Diagonal relationship is shown by (a) Elements of first period (b) Elements of second period (c) Elements of third period (d) Both (b) and (c) November 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related