Uzupełnij równania reakcji. Jaki to rozpad alfa czy beta?
215 84 Po -> 211 82 Pb + ...
211 82 Pb -> 211 83 Bi + ...
215 84 Po -> 211 82 Pb + ...
211 82 Pb -> 211 83 Bi + ...
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215 84 Po -> 211 82 Pb + 4 2 He (rozpad alfa)
211 82 Pb -> 211 83 Bi + 0 -1 e + 0 0 ν (rozpad beta-)