Read the article "The Difference Between Radiation and Radioactivity" and answer the
following questions.
1. What is an the smallest particle that can be described as a chemical called?
2. What characteristic is common among 99% carbon nuclei?
3. Which carbon atoms are unstable?
4. What are atoms of the same chemical but with different numbers of neutrons called?
5. What is the ratio of electrons to protons in an atom?
6. What are ions?
7. What is the term given to the breaking-up (decay) or rearrangement of an atom's
nucleus?
8. Name six ways radioactive decay occurs.
9. What type of atoms decay?
10. What is the correlation between an isotopes half-life and radioactivity?
11. What is the term for a traveling particle or wave?
12. What are the three types of radiation?
13. What is the difference between x-rays and gamma rays?
14. What are alpha particles made up of?
15. Which type of radiation is the most penetrating?