Which of these materials will decay the fastest to one-fourth of its original amount?
bismuth...
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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