Geography
Geography, 09.10.2019 10:30, supiine295

Can someone explain half lives to me? the term used in and earth science class

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Chemistry, 30.06.2019 02:40, Vampfox
Some radioactive nuclides have very short half-lives, for example, i-31 has a half-life of approximately 8 days. pu-234, by comparison has a half-life of 24,000 years. explain why both of these examples are dangerous, even though their half-lives are very different. be sure to describe the different major types of radiation, and their hazards. (radioactive decay and half-life)
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Chemistry, 15.07.2019 01:00, sabrinachambers444
Suppose the half-life of an element is 10 years. how many half-lives will it take before only about 6% of the original sample remains? 3 half-lives 4 half-lives 5 half-lives 6 half-lives
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Geography, 30.08.2019 14:30, zitterkoph
Which of these materials will decay the fastest to one-fourth of its original amount? bismuth-212 half-lives 60.5 seconds sodium-24 half-lives 15 hours iodine-131 half-lives 8.07 days radium-226 half-lives 1600 years
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