You have 88 grams of a radioactive kind of actinium. How much will be left after 44 years if its half-life is 22 years?

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You have 88 grams of a radioactive kind of actinium. How much will be left after 44 years if its half-life is 22 years?

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MichaelMet 1 year 2021-08-26T19:41:42+00:00 1 Answers 0 views 0

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    2021-08-26T19:42:43+00:00
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    Answer:

    22 grams

    Step-by-step explanation:

    loses 50% of it’s mass per 22 years

    so after 22 years the mass would be 44 grams

    22 years later would leave 50% of 44 grams = 22 grams

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