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Chemistry, 17.12.2021 01:00 asiaboo37

If 80mg of a radioactive element decays to 10 mg in 30 mins., what is the element's half-life in minutes? a- 10 b- 20 c- 30 d- 40

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If 80mg of a radioactive element decays to 10 mg in 30 mins., what is the element's half-life in mi...

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