Eight grams of Cu66 undergoes radioactive decay and after 15 minutes only 1g remains. The half – life, in minutes, is then Eight grams of Cu66 undergoes radioactive decay and after 15 minutes only 1g remains. The half - life in minutes is then June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET Physics , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related