What type of substances have a well-defined repeating pattern?
Source: JAMB · 2024
What type of substances have a well-defined repeating pattern?
Explanation
In crystalline substances, particles are arranged in a regular pattern that repeats in all directions. Examples are salt, sugar and diamond. This regular structure gives them sharp melting points and flat faces.
Amorphous substances such as glass and plastic have no regular order. Liquids and gases have particles that move about freely, with no fixed repeating pattern.
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