128 Te undergoes an extremely rare form of radioactive decay know as double beta decay: 12TE - *Xe + 2B+ 25 This is an extremely low probability event; its half-life of 2.2 x 1024 years is among the longest half-lives that have been determined. Estimate the activity in a 384-g (3 mol) sample of 1 Te. Activity = Ci How many 18 Te atoms in such a 3-mol sample would decay in a day? atoms day

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128 Te undergoes an extremely rare form of radioactive decay know as double beta decay:
Te + * Xe + 28+ 25
This
an extremely lowv probability event; its half-life of 2.2 x 1024 vears is among the longest half-lives that have been determined. Estimate the activity in a 384-g (3 mol) sample of 128 Te.
Activity =|
Ci
How many 128 Te atoms in such a 3-mol sample would decay in a day?
|atoms'day
Transcribed Image Text:128 Te undergoes an extremely rare form of radioactive decay know as double beta decay: Te + * Xe + 28+ 25 This an extremely lowv probability event; its half-life of 2.2 x 1024 vears is among the longest half-lives that have been determined. Estimate the activity in a 384-g (3 mol) sample of 128 Te. Activity =| Ci How many 128 Te atoms in such a 3-mol sample would decay in a day? |atoms'day
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