Giant covalent structures
1 mark · EasyState why graphite is soft.
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The layers can slide over each other easily because of weak forces between them.
Must show: Weak attraction between layers, Layers slide over one another
Also accept: The forces between the layers are weak so they can slide over each other
Common mistakes: Thinking covalent bonds are weak
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Marking points
B1 · 1 mark · States that graphite is soft because layers can slide due to weak forces between them.
Worked solution
Graphite is soft because the weak forces between its layers allow them to slide over each other.