Percent Abundance

Definition

The percent abundance refers to the relative amount or proportion of a specific isotope in a sample, expressed as a percentage.

Related terms

Isotope:

Variations of an element that differ in their number of neutrons but have the same number of protons.

Atomic Mass Unit (amu): A unit used to express the mass of atoms and subatomic particles.

Relative Atomic Mass: The average mass of all naturally occurring isotopes of an element, taking into account their percent abundances.