Ranking and ordering
What Ranking and ordering means in Combined Science GCSE, as defined for AQA.
Definition of Ranking and ordering
Check what you remember
Read the wording for your board, then hide it and explain Ranking and ordering in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Placing several metals from most to least vigorous using all the comparisons, ensuring the final order is consistent with every observation.
Topics that use Ranking and ordering
- The reactivity series (AQA GCSE)
Related terms
- Experimental comparison
- Experimental observation of metal reactions
- Ion formation
- Observation as evidence
- Oxidation and electron loss
- Reactivity series
- Displacement of hydrogen from dilute acids
- Displacement reactions
Using Ranking and ordering 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.
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