25 grams of rock there are 3.43 grams of radioisotopes and 0.482 grams of nuclides derived from the decay of BK. If the half-life of BK is 45 years, how old is the rock and write down the decay reaction?
25 grams of rock there are 3.43 grams of radioisotopes and 0.482 grams of nuclides derived from the decay of BK. If the half-life of BK is 45 years, how old is the rock and write down the decay reaction?
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 39E: A sample of rock was found to contain 8.23 mg of rubidium-87 and 0.47 mg of strontium-87.. (a)...
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25 grams of rock there are 3.43 grams of radioisotopes and 0.482 grams of nuclides derived from the decay of BK. If the half-life of BK is 45 years, how old is the rock and write down the decay reaction?
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