1. Ułożyć równania:
a) rozpadu α toru -227
b) rozpadu β fransu-223
c) rozpadu α uranu- 238
d) rozpadu β potasu- 40
a) ²²⁷₉₀Th -> ²²³₈₈ Ra + ⁴₂ He
b) ²²³₈₇ Fr -> ²²³₈₈ Ra + ⁰₋₁ e
c) ²³⁸₉₂ U -> ²³⁴₉₀ Th + ⁴₂ He
d) ⁴⁰₁₉ K -> ⁴⁰₂₀ Ca + ⁰₋₁ e
a)
b)
c)
d)
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a) ²²⁷₉₀Th -> ²²³₈₈ Ra + ⁴₂ He
b) ²²³₈₇ Fr -> ²²³₈₈ Ra + ⁰₋₁ e
c) ²³⁸₉₂ U -> ²³⁴₉₀ Th + ⁴₂ He
d) ⁴⁰₁₉ K -> ⁴⁰₂₀ Ca + ⁰₋₁ e
a)
b)
c)
d)