The unstable isotope 234th (Thorium 90) decays by B emission with a half life of 24.5 days. (a) What mass of 234th will
Posted: Sun May 22, 2022 10:24 am
The unstable isotope 234th (Thorium 90) decays by B emission with a half life of 24.5 days. (a) What mass of 234th will produce 2.70x10^3 Ci. (b) Where does the energy come from in radioactive decay?