Chemistry A-Level
lattice formation enthalpy
What lattice formation enthalpy means in Chemistry A-Level, as defined for AQA.
Definition of lattice formation enthalpy
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Reference: AQA
The enthalpy change when one mole of a solid ionic compound is formed from its constituent gaseous ions; it is always negative, because strong electrostatic attractions are being made.
Topics that use lattice formation enthalpy
- Born–Haber cycles (A-level only) (AQA A-Level)
Related terms
- Born–Haber cycle
- Covalent character
- Electron affinity
- enthalpy of formation
- enthalpy of hydration
- enthalpy of solution
- lattice dissociation enthalpy
- Lattice enthalpy
Using lattice formation enthalpy in the exam
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