Chemistry

Problem

Which expression correctly relates the decay constant

\lambda

of a radioactive isotope to its half-life

t_{1/2}

? a)

\lambda = (\ln 2)\, t_{1/2}

\lambda = \dfrac{1}{t_{1/2}}

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

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