Mn and Mp reoresents mass of neutron and proton respectively. If an element having atomic mass M has N -neutron and Z – proton, then the correct relation will be Mn and Mp reoresents mass of neutron and proton respectively. If an element having atomic mass M has N -neutron and Z - proton then the correct relation will be September 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related