Worksheet 10.6

Worksheet 10.6  The versatility of carbon Carbon atoms are amazingly versatile in the ways in which they can bond and orm compounds. 1

Give three ways which carbon atoms show their versatility in structure ormation.

2

What type o bonding do carbon atoms usually take part in? How are the outer electrons o the atoms involved in this type o bonding?

3

Carbon itsel is known to exist as two different structural orms. Tese are known as diamond and graphite. Both diamond and graphite consist o carbon atoms bonded together in three-dimensional structures. A

B

carbon atoms

Tese diagrams show sections o the arrangement o carbon atoms in the two orms. Which orm is which? Structure A: Structure B: 4

a

Diamond is one o the hardest substances substances known to man and and is used on the the edges o glass-cutting tools. tools. Explain why the structure o diamond makes it so hard.

© Cambridge University Press 2014

IGCSE® Chemistry

Worksheet 10.6

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b

5

Graphite is sof and slippery and is used to lubricate suraces. Explain why the structure o graphite makes it sof and slippery.

Diamond is an electrical insulator, but graphite conducts electricity. Explain why graphite conducts electricity.

© Cambridge University Press 2014

IGCSE® Chemistry

Worksheet 10.6

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