1. True or False: Alpha, Beta and Gamma all expel mass through decay
A. True B. False
2. Do half lives for radioactive isotopes vary greatly?
A. not at all B. a little C. greatly D. within 100 years
3. What is the symbol for alpha decay?
A. 42He B. 0-1B C. 24Omega D. 10n
4. If a half life is 2000 years, will a large amount of this radioactive sample be around for a long time?
A. Yes B. No
5. When beta decay occurs, does the element change?