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12-04-2024
Chemistry

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The radium isotope 226 Ra has a half-life of 1600 years. A sample begins with 5.00x1010 226 Ra atoms. You may want to review (Pages 1221-1225).
Part A
How many are left after 250 years?

Part B
How many are left after 3000 years?

Part C
How many are left after 50000 years?

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