A radioactive nucleus undergoes a series of decay according to the scheme If the mass number and atomic number of A are 180 and 72, respectively, what are these number A4 ?. A radioactive nucleus undergoes a series of decay according to the scheme If the mass number and atomic number of A are 180 and 72 respectively what are these number A4 ?. June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 30 - Nuclear Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related