define radioactive decay of a radioactive subastance.?
Asked by | 7th Sep, 2008, 12:01: AM
The property of an element to emit rays which could produce detectable effect on photographic plates and possess high penetrating power is called radiactive decay of a radioactive element.This happens when the element becomes unstable.
Answered by | 7th Sep, 2008, 12:38: AM
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