The half- life of radioactive radon is 3.8 days. If the initial mass of radon is 150 mg the mass remaining undecayed after 38 days is The half- life of radioactive radon is 3.8 days. If the initial mass of radon is 150 mg the mass remaining undecayed after 38 days is June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 14 - Nuclear Physics and Radioactivity , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related