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AS Chemistry > Definitions > Flashcards

Definitions Flashcards

1
Q

Define ‘Electrophile’

A

An electron pair receiver.

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2
Q

Define ‘Electrophilic addition’

A

A reaction between an alkene and electrophiles/hydrogen halides/halogens to form halogenoalkanes

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3
Q

Define’ Nucleophile’

A

An electron pair donor. (attracted to places that don’t have enough electrons.

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4
Q

Define ‘Free Radical’

A

An atom that has a single, unpaired electron.

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5
Q

Define ‘Homolytic Fission’

A

The even breaking of a single covalent bond, forming two, uncharged free radicals. (each atom gets one electron each from the bond)

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6
Q

Define ‘Heterolytic Fission’

A

The uneven breaking of a single covalent bond forming an anion and a cation. (One atom receives no electrons, (cation), while the other receives two/both electrons, (anion)

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7
Q

Define ‘Electronegativity’

A

The ability to attract the bonding electrons in a covalent bond.

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AS Chemistry (8 decks)

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