A radioactive nucleus undergoes a series of decay according to the scheme A→βA1→αA2→αA3 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 A→βA1→αA2→αA3 If the mass number and atomic number of A are 180 and 72 respectively what are these number A4 ?. September 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related