Materials and bonding

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  • Created by: kate
  • Created on: 18-05-13 12:16
example of giant covalent structure
diamond and graphite
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properties of diamond and graphite
very high melting and boiling points, does not dissolve in water
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how are carbon atoms linked in diamond?
covalently to four other carbon atoms
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how are carbon atoms linked in graphite?
covalently to three other carbon atoms. There is a sea of free moving electrons becuase the fourth electron is unbonded
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the appearance of graphite is..
grey/black shiny solid
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the hardness of graphite is..
very soft
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the conductivity of graphite is..
conducts electricity
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the melting point of graphite is..
very high
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uses of graphite
pencil lubricants
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the appearance of diamond is..
transparent
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the hardness of diamond is..
very hard
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the conductivity of diamond is..
electrical insulator
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the melting point of diamond is..
very high
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uses of diamond
gemstones or glass cutting
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what are carbon nanotubes?
roles of carbon hexagons, similar to graphite
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can carbon nanotubes conduct electricity?
yes
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properties of carbon nanotubes
extremely strong and have a very low density
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what are carbon nanotubes used for?
in small electronic circuits
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why is aluminium good for making planes?
has a low density
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Other cards in this set

Card 2

Front

properties of diamond and graphite

Back

very high melting and boiling points, does not dissolve in water

Card 3

Front

how are carbon atoms linked in diamond?

Back

Preview of the front of card 3

Card 4

Front

how are carbon atoms linked in graphite?

Back

Preview of the front of card 4

Card 5

Front

the appearance of graphite is..

Back

Preview of the front of card 5
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