BRAINCAKEFirst Ionisation Energies
Ionisation energy depends on
nuclear charge
shielding/ quantum shell and distance from nucleus
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Key terms in this lesson
- ionisation energy
- The energy needed to remove one electron from each atom in one mole of gaseous atoms, forming one mole of gaseous 1+ ions.
- shielding
- The repulsion of outer shell electrons by electrons in filled inner shells, which reduces the nuclear attraction they feel.
More in The Periodic Table
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