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Ionisation Energies
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Ionisation Energies
The energy needed to remove 1 mole of electrons from one mole of gaseous atoms to form one mole of positive gaseous ions.
Factors affecting ionisation energy
- Nuclear Charge
- Distance from Nucleus
- Electron Shielding
Trends
- Decrease down a group
- Generally increase across a period
Successive Ionisation Energies
- Within each shell they increase
- Big jump when new shell is broken into
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- A-Levels Chemistry! Mind Map on Ionisation Energies, created by hannahmay on 21/05/2013.
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- hannahmay
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