Reference Terms
from Wikipedia, the free encyclopedia

Radioactive decay

Radioactive decay is the set of various processes by which unstable atomic nuclei (nuclides) emit subatomic particles (radiation).

Decay is said to occur in the parent nucleus and produces a daughter nucleus.

This is a random process, i.e. it is impossible to predict the decay of individual atoms.

Note:   The above text is excerpted from the Wikipedia article "Radioactive decay", which has been released under the GNU Free Documentation License.
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July 1, 2015

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