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