CBSE Class 11-science Answered
what is radioactivity ?
Asked by Avani pandey | 01 Jan, 2013, 04:04: PM
Expert Answer
Radioactive decay occurs in unstable atomic nuclei that is, ones that dont have enough binding energy to hold the nucleus together due to an excess of either protons or neutrons. Radioactivity is the process whereby unstable atomic nuclei release energetic subatomic particles. The word radioactivity is also used to refer to the subatomic particles themselves.
Answered by | 01 Jan, 2013, 06:23: PM
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