What is a mixture?

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Two or more different elements chemically bonded together in a fixed ratio
A substance physically combined without any chemical bonding
A pure substance that cannot be broken down into simpler substances
A substance composed of only one type of atom

A substance physically combined without any chemical bonding

Which state of matter has particles that can flow and take the shape of their container, while maintaining a constant volume?

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Gas
Plasma
Liquid
Solid

Liquid

What is thermal energy?

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The energy associated with the motion of particles within a substance
The energy associated with the chemical reactions of a substance
The energy associated with the phase change of a substance
The energy associated with the temperature of a substance

The energy associated with the motion of particles within a substance

Which of the following is an example of an element?

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Oxygen
Water
Salt
Carbon Dioxide

Oxygen