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The half-life of rubidium-87 (natural

The half-life of rubidium-87 (natural absorbance 27.83%) is 5.1x10^11 years. What mass of rubidium is present if an average
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2. asked by Chemistry
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A sample originally contained 2.5 g of rubidium 87 now contains 1.25 g. The half life of rubidium - 87 is 6 x 10 ( to the 10th)
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2. asked by sam
3. 736 views
What happens to the half-life of Uranium-238 if the number of U particles in the bucket is increased? What does this teach you
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2. asked by pakyo
3. 90 views
What happens to the half life of carbon-14 if the number of C particles in the bucket is increased? What does this teach you
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2. asked by pakyo
3. 83 views
What happens to the half-life of Uranium-238 if the number of U particles in the bucket is increased? What does this teach you
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2. asked by freedom
3. 96 views
What happens to the half life of carbon-14 if the number of C particles in the bucket is increased?What does this teach you
1. 1 answer
2. 75 views
What happens to the half-life of Uranium-238 if the number of U particles in the bucket is increased? What does this teach you
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2. asked by idk
3. 62 views
What happens to the half-life of Uranium-238 if the number of U particles in the bucket is increased? What does this teach you
1. 1 answer
2. 66 views
rubidium is the fourth element in group 1. predict the following properties of rubidium and its compunds:A. appearence B.
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2. asked by chelsea
3. 1,432 views
The graph below shows the radioactive decay of rubidium-87.What percentage of rubidium-87 atoms will be left after three
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2. 203 views