Dictionary of Human Evolution and Biology

  • -id > 9:3
   

Isotope

One of any pair of atoms that have the same number of protons but a different number of neutrons and hence differ in atomic mass. Some isotopes are unstable and decay spontaneously at fixed rates; other isotopes are stable.

See carbon 14.

Full-Text Search Entries

Suggestions from Other Sources

From "Dictionary of Nursing and Individual Health Care"