Percentage abundance
What Percentage abundance means in Combined Science GCSE, as defined for AQA.
Definition of Percentage abundance
Check what you remember
Read the wording for your board, then hide it and explain Percentage abundance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
How common each isotope is, given as a percentage; these must total 100%, and the data should be checked before calculating if they do not.
Topics that use Percentage abundance
- Relative atomic mass (AQA GCSE)
Related terms
Using Percentage abundance in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge