The long form of periodic table is based on (a) Shape of the atom (b) Mass of the atom (c) Atomic number of the atom (d) Electronegativity The long form of periodic table is based on (a) Shape of the atom (b) Mass of the atom (c) Atomic number of the atom (d) Electronegativity November 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related