Chemistry-The Natural Solids – Flashcards
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Compared with the melting points of ionic compounds,the melting points of molecular solids tend to be____.
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Lower
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Crystals ate classified into ___different crystal systems?
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7
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The smallest group of particles in a crystal that retains the shape of the crystal is called the____.
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Unit Cell
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Most Solids____.
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Are dense and difficult to compress.
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Crystals are characterized by particular patterns that repeat in how many dimension?
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Three Dimensions
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How do particles tend to move in solids?
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They vibrate about fixed point.
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In a crystal,the particles are arranged in___.
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An orderly,repeating,three dimensional pattern.
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Crystal systems differ___.
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In the angle between faces and the number of edges of equal length.
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How is the melting point of Substance relate to its freezing point?
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Both indicate the temperature at which the solid and liquid states of a substance are in equilibrium.
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Which of the following best describes the motion of the particles in a piece of steel?
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All are moving.
