Question

States of matter

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Answer 1

Answer:

A “state of matter” is a way to describe the behaviour of atoms and molecules in a substance.

There are three common states of matter:

Solids – relatively rigid, definite volume and shape. In a solid, the atoms and molecules are attached to each other. They vibrate in place but don’t move around.

Liquids – definite volume but able to change shape by flowing. In a liquid, the atoms and molecules are loosely bonded. They move around but stay close together.

Gases – no definite volume or shape. The atoms and molecules move freely and spread apart from one another.

Answer 2

Answer:

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