Chemistry, 18.09.2019 17:30 saltytaetae
Acertain radioactive element has a half-life of one hour. if you start with 1.0 gram of the element at noon, how much of the radioactive element will be left at 2 p. m.? 0.50 grams 0.25 grams 0.125 grams 0.0 grams
Answers: 2
Chemistry, 21.06.2019 19:00, anonymous176
Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct
Answers: 3
Acertain radioactive element has a half-life of one hour. if you start with 1.0 gram of the element...
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