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The Physics Of A Crystal
Beginning of essay
Most simple chemical compounds consist of crystals. If you were to examine a lump of crystalline material very closely, you would be able to see tiny individual crystals. All crystals have a definite geometric shape, determined by the way the atoms are linked together.
Mineralogists recognize 32 d ....
Middle of essay
....ged in adjoining rings. Each carbon atom is linked to three others by fairly strong bond that all lie in the same plane. These can easily be overcome, allowing the sheets to slide over each other. As a result, graphite is a soft slippery substance that can be used as a lubricant.
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| Number of words: 331 |
Approximate pages: 2 |
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