Chemistry 2013 Nuclear Decay Worksheet
Name __________________
Type of emission:
Alpha or Beta decay? Why
Evidence
1. Uranium-234 To Thorium-230
Alpha Decay
Mass went down by 4
2. Thorium-230 to Radium-226 3. Radium-226 to Radon-222 4. Radon-222 to Polonium-218 5. Polonium-218 to Lead-214 6. Lead-214 to Bismuth214 7. Bismuth-214 to Polonium-214 8. Polonium-214 to Lead-210 9. Lead-210 to Bismuth210 10. Bismuth-210 to Polonium-210 11. Polonium-210 to Lead-206
Chemistry 2013 Write an equation for the following elements through the given emission type. Alpha Decay: Alpha Particle: ___protons & ___ neutrons Atomic number down by __, Mass down by __ 1. Polonium-218 2. Polonium-214 3. Polonium-210 4. Radium-224 5. Radium-220 6. Radon-220 7. Radon-219
Beta Decay: Electron emission. Neutron changed to a __________, so atomic number up by ____ 1. Lead-210 2. Lead-214 3. Bismuth-210 4. Bismuth-212 5. Bismuth-214
