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10 Nov 2021

Given information

The half-life of a radioactive isotope is .

The initial mass of the radioactive isotope is .

The decay time is .

 

Step-by-step explanation

Step 1.

The decay constant is the quantity that expresses the rate of decrease of the number of atoms of a radioactive element per second. Half-life is defined as the time required for the number of nuclides to reach half of the original value.

 

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