What radioactive dating means?

The technique of comparing the abundance ratio of a radioactive isotope to a reference isotope to determine the age of a material is called radioactive dating. This ratio is the same for all living things–the same for humans as for trees or algae.

What is radioactive activity GCSE?

With the wrong number of neutrons, nuclei can fall apart. A nucleus will regain stability by emitting alpha or beta particles and then cool down by emitting gamma radiation. Physics (Single Science) Atomic structure.