Mn and Mp are masses of neutron and proton respectively. An element of mass M has and Z-proton and N−neutron, then Mn and Mp are masses of neutron and proton respectively. An element of mass M has and Z-proton and N−neutron then August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related