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Chemistry -bonding > crystal types > Flashcards

crystal types Flashcards

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1
Q

bonding in graphite ?

A

covalent

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2
Q

what is the crystal type in graphite ?

A

macromolecular

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3
Q

can graphite conduce electricity ?

A

yes it conducts along the layers

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4
Q

what is graphite melting point like ?

A

high as many strong covalent bonds require a lot of energy to overcome

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5
Q

bonding in diamond ?

A

covalent

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6
Q

crystal type of diamond ?

A

macromolecular

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7
Q

can diamond conduct electricity ?

A

no it’s a insulator

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8
Q

what is the diamond melting point like ?

A

high melting point as lots of strong covalent bonds require alot of energy to overcome

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9
Q

bonding in Buckminster fullerene?

A

covalelant

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10
Q

crystal type of Buckminster fullerene?

A

molecular

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11
Q

can Buckminster fullerene conduct electricity ?

A

insulator as molecules nanotube fullorine can conduct as one tube .

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12
Q

explain the melting point of Buckminster fullerene?

A

low as inter molecular forces are weak and require little energy to overcome

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13
Q

bonding in methane ?

A

covalent

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14
Q

crystal type of methane ?

A

molecular

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15
Q

can methane conduct electricity ?

A

nope it’s an insulator

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16
Q

explain the melting point of methane ?

A

low as inter molecular forces are weak and require little energy to overcome

17
Q

bonding in sulphur ?

A

covalent

18
Q

crystal type of sulfur

A

molecular

19
Q

can sulphur conduct electricity ?

A

no as it’s an insulator

20
Q

explain the melting point of sulphur ?

A

low as inter molecular forces are weak and require little energy to overcome

21
Q

explain the bonding of water

A

covalent

22
Q

crystal type of water

A

molecular

23
Q

can water conduct electricity

A

only conducts if contains ions

24
Q

explain water’s melting point

A

low as weak inter molecular forces require little energy to overcome

25
Q

sodium chloride bonding

A

ionic

26
Q

sodium chloride crystal type

A

giant ionic

27
Q

sodium chloride conduct electricity ?

A

only conduct if dissolved in water or molten

28
Q

explain sodium chlorides melting point ?

A

high as electrostatic attraction between pos and neg is strong

29
Q

zinc bonding ?

A

metallic

30
Q

zinc crystal type

A

giant metallic

31
Q

can zinc conduct electricity ?

A

conducts

32
Q

explain zincs melting point

A

high as melting point between pos and electrons is strong

33
Q

silicon dioxide bonding

A

covalent

34
Q

silicon dioxide crystal type

A

macromolecular

35
Q

silicon dioxide conduct electricity

A

no as insulator

36
Q

explain silicon dioxides melting point

A

high as strong covalent bonds require lots of energy to overcome

Chemistry -bonding (8 decks)

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