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2 Born-Haber Cycle 15.1 Define and apply the terms lattice enthalpy, and electron affinity 15.2 Explain how the relative sizes and the charges of...

Brief mathematical description of electronic spectra of dn ions in crystal field
15.2 Born-Haber Cycle 15.2.1 Define and apply the terms lattice enthalpy, and electron affinity 15.2.2 Explain how the relative sizes and the charges of ions affect the lattice enthalpies of different ionic compounds The relative value of the theoretical lattice enthalpy increases with higher ionic charge and smaller ionic radius due to increased attractive forces 15.2.3 Construct a Born-Haber cycle for group 1 and 2 oxides and chlorides and use it to calculate the enthalpy change 15.2.4 Discuss the difference between theoretical and experimental lattice enthalpy values of ionic compounds in terms of their covalent character.
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Born-Haber Cycle A series of hypothetical steps and their enthalpy changes needed to convert elements to an ionic compound and devised to calculate the lattice energy. Using Hess’s law as a means to calculate the formation of ionic compounds
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