A radioisotope has a half-life of

CHEMISTRY · Single correct · US High School · Chemistry · Atomic Structure & Nuclear · Atomic Structure & Nuclear

Problem

12\,\text{h}

. How much time will elapse before only

40\%

of the original nuclei remain? (Give your answer in days and hours, rounded to the nearest hour.) (a)

0\,\text{d}\;12\,\text{h}

(b)

0\,\text{d}\;16\,\text{h}

(c)

0\,\text{d}\;9\,\text{h}

(d)

0\,\text{d}\;14\,\text{h}