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A sample of a radioactive isotope initially contains 20 x 1010 After 16 days, 5 x 1010 atoms remain. What is the half–life of the isotope? Group of answer choices
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Chemistry, 22.06.2019 09:30
One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)
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Chemistry, 22.06.2019 16:40
The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates
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Chemistry, 22.06.2019 18:30
How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it
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A sample of a radioactive isotope initially contains 20 x 1010 After 16 days, 5 x 1010 atoms remain....
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