Write down the formula for the nuclear reaction of a-decay of a radium nucleus (226 \ 86 Ra).
| April 22, 2021 | education
Alpha decay is the emission of alpha particles 4/2 He, that is, helium atoms. During alpha decay, the nucleus loses 2 electrons and its mass decreases by 4 atomic mass units.
226/86 Ra = 222/82 Rn + 4/2 He
The alpha decay of radium-226 produces a radon-222 atom.
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