
Concept explainers
The difference between the atomic arrangement of crystalline and non-crystalline substances.

Answer to Problem 1RCQ
Solution:
Crystalline substances have a particular geometric arrangement while non-crystalline substances have irregular and random shape.
Explanation of Solution
The Crystalline substance has some particular arrangement of atoms and molecules that imparts a geometric shape to the substance. In a crystalline substance, in each direction, the arrangement of atoms and molecules is uniform. They can be cut to give a predictable shape while non-crystalline substance has an irregular arrangement of atoms and molecules and therefore gives a random shape, and when they are broken they will give a non-uniform and unpredictable shape.
Conclusion:
So it has been concluded that crystalline substances have particular geometric arrangement while non-crystalline substances have irregular and random shape.
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Chapter 12 Solutions
Conceptual Physics (12th Edition)
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