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"The radioactive decay of any atom is associated with the emission of a charged particle (alpha or positive or negative beta) from or the capture of an electron by the nucleus."

Nucleonics Fundamentals by David B. Hoisington 1959; page 62.

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9y ago
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10y ago

Half-life means how long it takes for half of an element to decay. Find the half-life of that element and write it in your notebook.

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