Delocalised electrons are shared between more than two atoms.
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Electrophile
Atom (or group of atoms) that is attached to an electron-rich centre, where it accepts a pair of electrons to form a covalent bond.
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Substitution Reaction
Where an atom or group of atoms is replaced by a different atom or group of atoms.
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Electrophilic Substitution
Type of substitution where an electrophile is attracted to an electron-rich centre or ago, where it accepts a pair of electrons to form a covalent bond.
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Reaction Mechanism
Series of steps that together make up an overall reaction.
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Curly Arrow
Symbol used in reaction mechanisms to show the movement of an electron pair in the breaking or formation of covalent bonds.
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Functional Group
Part of an organic molecule responsible for its chemical reactions.
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Electronegativity
Measure of the attraction of a bonded atom for the pair of electrons in a covalent bond.
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Redox Reaction
A reaction where both reduction and oxidation take place.
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Nucleophile
Atom or group of atoms attracted to an electron deficient centre, where it donates a pair of electrons to form a covalent bond.
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Esterification
Reaction of an alcohol with a carboxylic acid to produce an ester and water.
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Hydrolysis
Reaction with water or hydroxide ions that breaks a chemical compound into two compounds.
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Peptide
Compound made of amino acids linked by peptide bonds.
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Other cards in this set
Card 2
Front
Atom (or group of atoms) that is attached to an electron-rich centre, where it accepts a pair of electrons to form a covalent bond.
Back
Electrophile
Card 3
Front
Where an atom or group of atoms is replaced by a different atom or group of atoms.
Back
Card 4
Front
Type of substitution where an electrophile is attracted to an electron-rich centre or ago, where it accepts a pair of electrons to form a covalent bond.
Back
Card 5
Front
Series of steps that together make up an overall reaction.
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