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Thorium-234 has a half-life of 24 days and decays through beta emission to protactinium-234. If you were given 5 kg of thorium, how long would it take for it to decay to 2.5 kg?

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Thorium-234 has a half-life of 24 days and decays through beta emission to protactinium-234. If you were given 5 kg of thorium, how long would it take for it to decay to 2.5 kg?






 
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