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The Physics Of A Crystal
Part 1 of Paper
....terial 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 different classes of crystal, which are grouped into seven crystal systems. Crystal systems are described by their axis, .... Part 2 of Paper
....crystal of diamond is in fact a single giant molecule in which every carbon atom is linked to four other, by four equal, strong bonds. These bonds are arranged tetrahedrally round each atom and there are no planes along which the giant molecule can easily be split. This quality is what gives diamond its tremendous hardness.
Graphite on the other hand, consists of flat sheets of carbon atoms arranged in adjoining rings. Each carbon atom is linked to three others by fairly strong bond that all li.... |
| Number of words: 331 - Approximate pages: 2 |
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