Thorium-229 is the radioactive substance

  1. Thorium-229 is the radioactive substance that gives lantern mantels their eerie glow. The half life of thorium-229 is 7340
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  2. Thorium-232 undergoes a series of radioactive decay by emitting energy and small particles from the atomic nucleus. Which could
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  3. An Initial amount of 100 grams of Thorium-234 decays according to the model: dP/dt=-0.02828P (where t is measured in years).a)
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    2. RC asked by RC
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  4. A human body required 0.01 m activity of radioactive substance after 24 hours .Half li of radioactive substance is 6 hours .Then
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    2. Aashika Jain asked by Aashika Jain
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  5. Every week, 2/5 of a radioactive substance remains from an initial amount of 150mg.How many milligrams of the radioactive
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  6. Grace starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 14each week for a number
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  7. Nick starts with 20milligrams of a radioactive substance. The amount of the substance decreases by 1/2 each week for a number of
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  8. Nick starts with 20milligrams of a radioactive substance. The amount of the substance decreases by 1/2 each week for a number of
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  9. Nick starts with 20 milligrams of a radioactive substance. The amount of the substance decreases by ½ each week for a number of
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  10. Demarco starts with 10 milligrams of a radioactive substance. The amount of the substance decreases by 40% each week for a
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