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Types of Crystalline Solids

Crystals are ...

Question

Crystals are formed by ions, atoms, and molecules having an internal pattern that is _ and _.

A

irregular, non-repeating

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B

regular, repeating

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C

regular, non-repeating

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D

none of the above

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Solution

The correct option is B regular, repeating
In crystalline solids, the atoms, ions or molecules are arranged in an ordered and symmetrical pattern that is repeated over the entire crystal. The smallest repeating structure of a solid is called a unit cell, which is periodically repeated in three dimensions on a lattice.

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