Period after which only half of the original number of nuclei in a sample of a radioactive element have not decayed.
ex. half-life for uranium – 238 23892U
= 4.6 x 109 years
So after 4.6 x 109 years, only one half of the original uranium will be left
Cite this article as: William Anderson (Schoolworkhelper Editorial Team), "What is Half-Life? (Chemistry)," in SchoolWorkHelper, 2021, https://schoolworkhelper.net/what-is-half-life-chemistry/.
