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A radioactive nucleus has a decay …

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A radioactive nucleus has a decay constant lambda=0.345 day. How long would it take the nucleus to decay 75% of its initial amount?

    • Posted by Amisha Patidar 7 years, 10 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Sourin Roy 7 years, 10 months ago

    3 days. formula for halflife = 0.693/(lambda) which is equal to 2 days. So the nucleus decays 50% in 2 days and 75% in 3 days.

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