delocalised electrons
What delocalised electrons means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of delocalised electrons
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Reference: OCR
The six π electrons of the benzene ring are shared over all six carbons, above and below the ring, rather than forming three fixed alternating C=C bonds.
Electrons that surround the metal cations and continue to hold the ions together in their new positions when layers slide.
Outer-shell electrons released into the structure that are free to move throughout the whole solid.
Topics that use delocalised electrons
- Metallic bonding (AQA A-Level)
- Basic concepts of organic chemistry (OCR A-Level)
- Periodicity (OCR A-Level)
Related terms
- Alphabetical ordering of substituents
- Applying the sequence to specific elements
- Aromatic compound
- atomic radius
- carboxyl group
- Cations and delocalised electrons
- Characteristic reactions
- Condensed notation with brackets and subscripts
Using delocalised electrons in the exam
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