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Radioactive nuclei are produced in an irradiated sample at the

Radioactive nuclei are produced in an irradiated sample at the rate of 10 s-1. If the number in the sample builds up to a
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2. asked by Ali
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How many half lives will it take for a sample of a radioactive isotope containing 20000 radioactive nuclei to decay to 2000
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2. asked by Dianne
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1) The number of radioactive nuclei in a particular sample decreases over a period of 15 days to one-seventeenth the original
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2. asked by Sandhya
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Although most natural potassium nuclei are stable 39K (93.3%) or 41K (6.7%) nuclei, about 0.0117% are radioactive 40K nuclei,
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2. asked by Anonymous
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When a radioactive sample decays, there is one less parent nuclei and one more daughter nuclei. As this decay process continues,
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2. asked by Anonymous
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Which change will always take place during nuclear fission?(1 point)Responses Several nuclei will combine into one nuclei.
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2. asked by boopboooooop
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Assume a sample of material must undergo a single radioactive decay process (beta decay for example). How many nuclei in the
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2. asked by Anonymous
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At the start of an experiment, there are 120,000 undecayed radioactive nuclei in a sample. After 8 hours, there are 7,500
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A radioactive sample starts with 800,000 undecayed nuclei. After 12 hours, 700,000 of the nuclei have decayed. What is the
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2. 36 views
Suppose 32000 radioactive nuclei are in a sample. About how many remain after two days if the half-life is 22 hrs? What is the
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2. asked by Anonymous
3. 546 views