Chemistry A-Level
ligand size
What ligand size means in Chemistry A-Level, as defined for AQA.
Definition of ligand size
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Reference: AQA
The factor that decides the shape, because small ligands pack six around a metal ion while larger ligands allow only four to fit.
Topics that use ligand size
- Shapes of complex ions (A-level only) (AQA A-Level)
Related terms
- 90° and 180° arrangements
- cis-trans isomerism
- inactive trans isomer
- ligand substitution with DNA
- risks and benefits
- stereoisomerism
- bond angle of 109.5°
- cisplatin structure
Using ligand size in the exam
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