Question

the radioactive element undergo 80 percent radioactive decay in 300 min.calculate half life of this species

Answer 1

Explanation:

To find the half life of a substance, or the time it takes for a substance to decrease by half, you'll be using a variation of the exponential decay formula. Plug in ½ for a, use the time for x, and multiply the left side by the initial quantity of the substance.

The half-life of a radioactive substance is a characteristic constant. It measures the time it takes for a given amount of the substance to become reduced by half as a consequence of decay, and therefore, the emission of radiation.