U-238 which has a long half-life is also find the ages of geological formations (rocks). Meanwhile I-131, which has much shorter half-life, is used for diagnosing thyroid disorders. What is the mass of an original 5.6 gram sample of I-131 that is still radioactive after 16.042 days?
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If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
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Answer explain why it is not possible to deduce a complete order of reactivity.
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List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn
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U-238 which has a long half-life is also find the ages of geological formations (rocks). Meanwhile I...
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