Half-life
10:56
Khan AcademyMahesh Shenoy
Half-life
Half-life is the time required for half of a radioactive sample to decay. Half-life cannot be changed—nuclei cannot be forced to decay faster or slower. Additionally, we cannot predict when an individual nucleus will decay. However, when analyzing a large sample containing many nuclei, half-life allows us to predict how much of the sample ...
Feb 9, 2024
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find the missing value for the radioactive isotope round your answer to two decimal places isotope half life years initial quantity amount after 1000 years 226ra 1599 7 g g 48881
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