Chemistry, 07.06.2020 01:58 aseel667789
Iodine-126 is a beta emitter with a half-life of 13 days. What is the mass of iodine-126 in a 8.0-mg sample of the isotope at the end of 39 days?
Answers: 1
Chemistry, 22.06.2019 05:30
You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount
Answers: 1
Chemistry, 22.06.2019 17:30
I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!
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Iodine-126 is a beta emitter with a half-life of 13 days. What is the mass of iodine-126 in a 8.0-mg...
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