Sunday, 21 September 2014


Use a periodic table to help you to write a balance nuclear equation for each of the following. Include mass and nucleon numbers in your answers, and state what isotope remains using the correct symbol.
1)    Carbon – 14 emits a beta particle.
2)    Uranium - 235 emits an alpha particle
3)    Sodium -23 emits a beta particle
4)    Radon 220 emits an alpha particle
5)    Strontium 90 emits a beta and an alpha particle
6)    Plutonium 239 emits 2 alpha particles
7)    Boron 12 emits a beta particle and a gamma ray.