Diamond is hard because (a) all the four valence electrons are bounded to each carbon atom by convalent bonds (b) It is giant molecule (c) It is made up of carbon atoms (d) It cannot be burnt Diamond is hard because (a) all the four valence electrons are bounded to each carbon atom by convalent bonds (b) It is giant molecule (c) It is made up of carbon atoms (d) It cannot be burnt February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related