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Properties and Uses of Diamond and Graphite, Summaries of Chemistry

Information about the structures, properties, and uses of diamond and graphite, two forms of carbon. Diamond is known for its hardness and poor electrical conductivity, while graphite is soft, slippery, and has good electrical conductivity. Both have unique properties that make them valuable in various industries.

What you will learn

  • What are the main differences between the structures of diamond and graphite?
  • Why is diamond so hard and graphite so soft?
  • What are some common uses for diamond and graphite?

Typology: Summaries

2021/2022

Uploaded on 09/27/2022

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Graphite forms a giant covalent
structure.
Each carbon atom is bonded to three
other carbon atoms by very strong
covalent bonds.
Each carbon atom has a ‘spare’
electron.
All the spare electrons form an
electron cloud’, which is free to
move (delocalised).
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Graphite forms a giant covalent

structure.

Each carbon atom is bonded to three

other carbon atoms by very strong

covalent bonds.

Each carbon atom has a ‘spare’

electron.

All the spare electrons form an

‘electron cloud’, which is free to

move (delocalised).

Substance Description Picture

Diamond

A hard, clear non-metal

Graphite

A soft, slippery, grey, solid non- metal

Diamond forms a giant

covalent structure.

Each carbon atom is

bonded to four other

carbon atoms by very

strong covalent bonds.

There are no ‘free’

electrons.

Graphite is used for pencils and as a lubricant to reduce friction on moving surfaces.

Diamonds are used for

jewellery and in drills for

cutting through rock.

The layers in

graphite are held

together by weak

forces.

These forces are

easily broken.