The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called

Answer : The time it takes for 50 percent of the nuclei in a radioactive sample to decay to its stable isotope is called Half-life.

Explanation :

Half-life of radioactive isotope decay : It is defined as the rate at which a decay is measured in half-life. Or we can say that the time it takes for (1/2) half of the nuclei in a radioactive sample to decay to its stable isotope.

The radioactive isotope decay shows first order reaction. The formulas used for first order reaction is,

where,

= radioactive half-life

= radioactive decay constant

Hence, the correct answer is, Half-life.

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