Nuclear Chemistry Worksheet
222 4
1. 86Rn ———> ________ + 2He
234 4
2. ______ ———> 90Th + 2He
230 226
3. 90Th ———> 88Ra + ______
214 0
4. 82Pb ———> ______+ -1e
234 234
5. 92U ———> 93Np + _______
6. Write a balanced nuclear equation for the Beta decay of:
a. Nitrogen-16
b. Potassium-40
7. Write a balanced nuclear equation for the Alpha decay of:
a. Plutonium-244
b. Strontium-90
8. Write the balanced nuclear equations for the Beta, Alpha, and Gamma
decay of Radium-226.
9. How are the mass number and atomic number of the nucleus affected by
the loss of the following?
a. beta particle
b. alpha particle
c. gamma particle
