Chemistry A-Level
Covalent character
What Covalent character means in Chemistry A-Level, as defined for AQA.
Definition of Covalent character
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Reference: AQA
Indicated when the experimental lattice enthalpy is significantly more exothermic than the theoretical value, as the extra strength shows the cation polarises the anion's electron cloud.
Topics that use Covalent character
- Born–Haber cycles (A-level only) (AQA A-Level)
Related terms
- Born–Haber cycle
- Electron affinity
- enthalpy of formation
- enthalpy of hydration
- enthalpy of solution
- lattice dissociation enthalpy
- Lattice enthalpy
- lattice formation enthalpy
Using Covalent character in the exam
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