atomic number comparison
What atomic number comparison means in Chemistry A-Level, as defined for AQA.
Definition of atomic number comparison
Check what you remember
Read the wording for your board, then hide it and explain atomic number comparison in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Comparing the atom directly attached to each doubly bonded carbon by atomic number, where the higher atomic number wins.
Topics that use atomic number comparison
- Isomerism (AQA A-Level)
Related terms
- CIP priority rules
- E and Z isomers
- E-Z isomerism
- first point of difference
- Optical isomerism
- restricted rotation
- stereoisomers
- structural isomer
Using atomic number comparison 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 Chemistry 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