SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A 100-gram sample of cerium-143 has a half-life of 33 hours. How long will it take until there are only 6.25 grams of cerium-143 left?
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66 hours
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99 hours
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132 hours
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165 hours
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Explanation:
Detailed explanation-1: -Expert-Verified Answer. Answer: The time taken by Cerium-143 will be 132.051 hours. Explanation: All the decay processes follow first order kinetics.
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