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iGCSE Chemistry > Bonding > Flashcards

Bonding Flashcards

1
Q

structure - metallic

A

giant lattice

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2
Q

definition - metallic

A

electrostatic force of attraction between rows of metal cations and a sea of delocalised electrons

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3
Q

melting and boiling point - metallic

A

high - strong metallic bond
-> requires a lot of energy to break

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4
Q

conductivity - metallic

A

as a solid and liquid
-> delocalised electrons can flow

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5
Q

malleable/brittle/ductile - metallic

A

it is malleable and ductile
-> layers of cations can slide

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6
Q

structure - ionic

A

giant lattice

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7
Q

definition - ionic

A

electrostatic force of attraction between positive and negative ions

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8
Q

melting and boiling point - ionic

A

high - strong ionic bond
-> require a lot of energy to break

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9
Q

conductivity - ionic

A

when molten or dissolved
-> ions can move

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10
Q

malleable/brittle/ductile - ionic

A

brittle

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11
Q

structure - simple molecular

A

molecules

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12
Q

definition - simple molecular

A

covalent bond between atoms
weak intermolecular forces between molecules

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13
Q

melting and boiling point - simple molecular

A

low - weak intermolecular forces
-> requires little energy to break

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14
Q

conductivity - simple molecular

A

does not conduct
-> no free moving charged particles

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15
Q

structure - giant covalent

A

giant lattice

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16
Q

definition - giant covalent

A

electrostatic force of attraction between the bonding pair of electrons and the bonded nuclei

17
Q

melting/boiling point - giant covalent

A

very high - strong covalent bond
-> requires a lot of energy to break

18
Q

conductivity - giant covalent

A

does not conduct
-> no free moving charged particles.

graphite does – delocalised electrons can flow

19
Q

malleable/brittle/ductile - giant covalent

A

very hard except graphite
-> layers can slide as there are weak intermolecular forces

iGCSE Chemistry (1 decks)

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