why is graphite is used in pencils
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The different layers of carbon atoms present in graphite are bounded by weak van der Waals forces.The cleaning between the layers is done by graphite, thus, it is so slippery and soft. This is the reason why graphite is used in pencil and as lubricants in machines which operate at high temperature.
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1. Graphite can be used as a lubricant or in pencils because the layers cleave readily.
2. Writing pencils made of graphite were first used around 1565.
3. Graphite is a form of carbon and is completely safe for drawing.
4. The pencil material is actually graphite.
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