Chemistry A-Level
Atomic number and first point of difference
What Atomic number and first point of difference means in Chemistry A-Level, as defined for OCR.
Definition of Atomic number and first point of difference
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Reference: OCR
If the directly attached atoms are identical, comparison moves outward along the chain, comparing the sets of atoms attached at the first point of difference.
Topics that use Atomic number and first point of difference
- Alkenes (OCR A-Level)
Related terms
- Addition polymerisation
- Addition polymerisation of alkenes
- Addition reactions forming other organic chemicals
- Biodegradable and renewable alternatives
- Biodegradable polymers
- bond breaking and bond formation
- Bromine water test for unsaturation
- Cahn–Ingold–Prelog priority rules
Using Atomic number and first point of difference in the exam
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