← 3.3 Chemical bonding

Simple molecules versus giant covalent: CO2 and sand

General Science · Grade 10 · about 40 minutes

Carbon dioxide is a gas of small molecules; silicon dioxide is a giant covalent network — same family of elements, totally different properties.

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  • 8 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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