Chemistry, 12.09.2019 20:30 alexiss7026
The thallium subscript 81 superscript 208 baseline tl nucleus is radioactive, with a half-life of 3.053 min. at a given instant, the activity of a certain sample of thallium is 2400 bq. using the concept of a half-life, and without doing any written calculations, determine what the activity 9 minutes later is.
(a) 150 bq
(b) 2400 bq
(c) 1200 bq
(d) 600 bq
(e) 300 bq
Answers: 2
Chemistry, 21.06.2019 16:30
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The thallium subscript 81 superscript 208 baseline tl nucleus is radioactive, with a half-life of 3....
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