A sample contains 800 mg of a radioactive material, which emits a-particles. The material has a half-life

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A sample contains 800 mg of a radioactive material, which emits a-particles. The material has a half-life of 6 days. What mass of material is still radioactive after 18 days?

A. 0 mg

B. 100 mg

C. 200 mg

D. 400 mg

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Complete Physics For Cambridge IGCSE RG

ISBN: 9780198308713

3rd Edition

Authors: Stephen Pople

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Question Posted: Aug 30, 2021 12:46 AM

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A sample contains 800 mg of a radioactive material, which emits a-particles. The material has a half-life

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Option B 100mg is correct The half life of a radioactive element is the time it takes ...View the full answer

Complete Physics For Cambridge IGCSE RG

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