Edexcel AS Chemistry - Ionisation Energy and Electron Affinity
- Created by: Booga
- Created on: 03-01-11 16:22
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IONISATION ENERGY
First Ionisation Energy
First ionisation energy is the energy required to remove 1 electron from each atom in 1mol of gaseous atoms in order to form 1mol of gaseous ions with a charge of 1+
{Atoms must be in gaseous state}
{Measured in KJmol-1}
{Lower IE = easier to ionise}
OR
Successive Ionisation Energies
Successive ionisation energies require more energy each time. This is because after the first ionisation energy you are left with a positive ion.
{You can have as many successive ionisation energies as there are electrons in the original atom}
Second…
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