The decay of a radioactive element follows first order kinetic. Thus,

Options

A. Half-life period `= a` constant`//K`,
B. The rate of decay is independent of temperature
C. The rate can be altered by changing chemical conditions
D. The element will be completely transformed into new element after expiry of two half-life period

Answer

A

Explanation

`t_(1//2) = (0.693)/(K)`