Write equations for the nuclear decay reactions:
a) beta decay of Bromine-84
b) alpha and gamma emission of Gd-152
3. What would the missing nuclide be for the following nuclear bombardment reaction?
147N + 42He  _____ + 11H
4. What amount and type of material would be required to stop a) alpha b) beta and c) gamma radiation?
5. The half life of carbon-14 is 5,730 years. If an artifact is found to have 6.25% of its original carbon-14
present, how many years old is the artifact?