Chemistry A-Level
first ionisation energy dips
What first ionisation energy dips means in Chemistry A-Level, as defined for AQA.
Definition of first ionisation energy dips
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Reference: AQA
Rises overall across the period but dips twice, at aluminium and at sulfur, for reasons of sub-shell energy and electron repulsion.
Topics that use first ionisation energy dips
- Physical properties of Period 3 elements (AQA A-Level)
Related terms
- atomic radius
- giant, simple molecular and monatomic structures
- metallic bonding strength
- naming structures
- three ionisation energy factors
- melting point and bonding
Using first ionisation energy dips in the exam
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