Answers

2015-10-10T10:52:22+05:30
Radioactive decay, also known as nucleardecay or radioactivity, is the process by which a nucleus of an unstable atom loses energy by emitting radiation. 
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2015-10-11T07:22:02+05:30
RADIOACTIVTY IS THE PROCESS BY WHICH THE NUCLEUS OF AN UNSTABLE ATOM LOSES ENERGY BY RADIATION.
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