Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Abundance refers to the proportion or percentage representation of each isotope in a given sample or element. It indicates how common each isotope is compared to others.
Related terms
Relative Abundance: The ratio or proportion of one isotope compared to another in a given sample.
Natural Abundance: The relative amount of an isotope occurring naturally, without any human-made modifications.
Isotopic Ratio: The comparison between the number of atoms of one isotope versus another, often expressed as a fraction or percentage.