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Chemistry Topic 2 > Allotropes of Carbon > Flashcards

Allotropes of Carbon Flashcards

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1
Q

What element is graphene made of?

A

Carbon

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2
Q

How are the atoms in graphene bonded?

A

Covalently to 3 others

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3
Q

Why is graphene so strong?

A

It has a giant covalent structure

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4
Q

Name three uses for graphene

A

Display screens, electrical circuits and solar cells

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5
Q

What element is fullerene made of?

A

Carbon

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6
Q

How are the atoms bonded in fullerene?

A

Covalently, hexagonal rings of carbon atoms with 5 or 7 carbon atoms

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7
Q

What shape does fullerene have?

A

A hollow sphere

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8
Q

Name two uses of fullerene

A

Delivery of drugs to parts of the body and lubricants to reduce friction of metal machinery

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9
Q

What element are carbon nanotubes made of?

A

Carbon

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10
Q

How are the atoms in carbon nanotubes bonded?

A

Covalently to 3 others

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11
Q

What shape does a carbon nanotube have?

A

A hollow cylinder

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12
Q

Why are carbon nanotubes so strong?

A

They are covalently bonded

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13
Q

Why do carbon nanotubes conduct electricity?

A

The electrons are covalently bonded

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14
Q

What are two uses of carbon nanotubes?

A

Reinforcing structures e.g. tennis rackets and golf clubs and industrial catalysts

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15
Q

What element is diamond made of?

A

Carbon

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16
Q

How are the atoms bonded in diamond?

A

Covalently to four others

17
Q

Why is diamond so strong?

A

Covalent bonds are strong so have a high melting point

18
Q

Name two uses of diamond

A

Cutting, drilling and grinding tools and jewellery

19
Q

What element is graphite made of?

A

Carbon

20
Q

How are the atoms in graphite bonded?

A

covalently to three others

21
Q

Why is graphite slippery?

A

Weak forces hold together the layers so they slide

22
Q

Why does graphite conduct electricity?

A

The electrons are delocalised

23
Q

Name 2 uses of graphite

A

Pencils and lubricant

Chemistry Topic 2 (10 decks)

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