answersLogoWhite

0

The half life of a radioisotope is the time taken for the number of radioactive atoms to decay to one-half.

A free neutron has a half life of 10.6 minutes. The half life of carbon 11 is 20.3 minutes. Many isotopes have very short half lives, and many have very long ones.

User Avatar

Wiki User

14y ago

What else can I help you with?