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15.2.1 Define and apply the terms lattice enthalpy and electron affinity IB Chemistry HL

Lattice enthalpy is the energy change when 1 mole of ionic lattice is produced from its constituent gaseous ions (or vice versa). Electron affinity is the energy change when an electron is added to a gaseous atom (to form a gaseous negative ion).Dr Atkinson was dried out with deionised water.
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