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Radon-222 has a half-life of

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Radium has a half-life of 1620 years and decays into radon, which has a half-life of 3.82 days. A 10-gm source of radium is
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2. asked by Nivia
3. 498 views
A 1.50- gas sample at 722 and 25.0 contains 7.56 radon-220 by volume. Radon-220 is an alpha-emitter with a half-life of 55.6s
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2. asked by Diamond
3. 455 views
Radon 86222Rn is a radioactive gas with a half-life of 3.82 d. If there are initially 400 decays/s in a sample, how many radon
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2. asked by Ben
3. 667 views
The half life of radon 222 is 3.82 days. If the initial mass of a sample of radon 222 is 198.72 grams, how much will remain
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2. asked by Jess
3. 1,155 views
The radioisotope radon-222 has a half-life of 3.8 days. How much of a 98.4 g sample of radon -222 would be left after
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2. asked by Nikkie
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Radon-222 is a radioactive gas with a half-life of 4 days. Approximately how much of a 40 g sample of radon-222 would remain
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2. asked by Luna
3. 804 views
The radioisotope radon-222 has a half-life of 3.8 days. How much of a 65-g sample of radon-222 would be left after approximately
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2. asked by Anon
3. 1,086 views
Radon-222 has a half-life of 3.82 days.How much of a 100-g sample of radon-222 will remain unchanged after 7.64 days? 75 g 25 g
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2. 86 views
A 1.50 liter gas sample at 745mm HG and 25 celsius contains 3.55% radon by volume radon-220 is an alpha emitter with a half life
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2. asked by Nancy
3. 1,171 views
A 1.50- gas sample at 722 and 25.0 contains 7.56 radon-220 by volume. Radon-220 is an alpha-emitter with a half-life of 55.6.
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2. asked by Diamond
3. 738 views

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