Lattice Enthalpy Definitions

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7 Terms

1
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Lattice enthalpy

the enthalpy change when 1 mole of an ionic compound is formed from its gaseous ions

<p>the enthalpy change when 1 mole of an ionic compound is formed from its gaseous ions</p>
2
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Enthalpy change of formation

enthalpy change when 1 mole of a compound is formed from its constituent elements in their standard states

<p>enthalpy change when 1 mole of a compound is formed from its constituent elements in their standard states</p>
3
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Enthalpy change of atomisation

enthalpy change when 1 mole of gaseous atoms forms from the element in its standard state

<p>enthalpy change when 1 mole of gaseous atoms forms from the element in its standard state</p>
4
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First ionisation energy

enthalpy change when 1 electron is removed from each atom in 1 mole of gaseous atoms to form 1 mole of gaseous 1+ ions

<p>enthalpy change when 1 electron is removed from each atom in 1 mole of gaseous atoms to form 1 mole of gaseous 1+ ions</p>
5
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second ionisation energy

the enthalpy change when 1 electron is removed from each ion in 1 mole of gaseous 1+ ions to form 1 mole of gaseous 2+ ions

<p>the enthalpy change when 1 electron is removed from each ion in 1 mole of gaseous 1+ ions to form 1 mole of gaseous 2+ ions</p>
6
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First electron affinity

enthalpy change when 1 electron is added to each atom in 1 mole of gaseous atoms to form 1 mole of gaseous 1- ions

<p>enthalpy change when 1 electron is added to each atom in 1 mole of gaseous atoms to form 1 mole of gaseous 1- ions</p>
7
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Second electron affinity

enthalpy change when 1 electron is added to each ion in 1 mole of gaseous 1- ions to form 1 mole of gaseous 2- ions

<p>enthalpy change when 1 electron is added to each ion in 1 mole of gaseous 1- ions to form 1 mole of gaseous 2- ions</p>