Chemistry

Problem

Which expression gives the half-life

t_{1/2}

of a nuclide that decays according to first-order kinetics, in terms of the decay constant

k

? a)

t_{1/2}=0.301/k

t_{1/2}=1/k

t_{1/2}=\dfrac{1}{k\ln 2}

t_{1/2}=0.693/k