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chemisty
chapter 4
Term | Definition |
---|---|
Radioactivity | the process in which some substance spontaneously emit radiation |
nuclear reaction | a reaction that involves a change in the nucleus of an atom |
radioactive decay | a spontaneous process in which unstable nuclei lose energy by emitting radiation |
alpha radiation | radiation that is made up of alpha particles; is deflected toward a negatively charged plate when radiation from a radioactive source is directed between two electrically charged plates. |
beta radiation | radiation that is made up of beta particles; is deflected toward a positively charged plate when radiation from a radioactive source is directed between two electrically charged plates |