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Chemistry, 17.04.2020 03:49 Kennabug4503
Rank the following isotopes in order of their radioactivity, from the most radioactive to the least radioactive: (a) nickel-59, half-life 75,000 years; (b) uranium-238, half-life 4.5 billion years; (c) actinium-225, half-life 10 days.
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