Definitions
Matter
Pure Substances and Mixtures
Properties of Matter
Changes in Matter
100

The smallest unit of a chemical compound, composed of two or more atoms bonded together

What is a molecule?
100

Anything that has mass and takes up space

What is matter?
100

The substance in a solution that gets dissolved

What is a solute?

100

Any characteristic of a substance that can be observed or measured without changing the composition or the identity of the substance.

What is a physical property of matter?

100

The name of the phase change when a liquid becomes a gas

What is evaporation?

200

The energy an object has due to its motion

What is kinetic energy?

200
Definition of a solid
What is a substance that has definite shape and definite volume?
200

The substance in a solution in which a solute dissolves

What is a solvent?

200

Properties that are measured or observed when matter undergoes a change and becomes an entirely different type of matter

What is a chemical property of matter?

200

The name of a phase change when a gas becomes a liquid

What is condensation?

300

The formula to calculate density

What is: Density = mass divided by volume?

300

Classification temperature of matter

What is room temperature?

300

Two categories of pure substances

What are elements and compounds?

300

A substance's flammability

What is a chemical property?

300

A change in color

What is a chemical change?
400

An evenly distributed mixture made by dissolving one substance in another

What is a solution?

400

How matter is measured

What is density?

400

The type of composition of a pure substance

What is fixed?

400

A substance's melting point

What is a physical property?

400

Change in density

What is a physical change?

500

A pure substance that contains two or more elements chemically joined in a fixed proportion

What is a compound?

500
Two ways to classify matter
What are pure substances and mixtures?
500

These pure substances have properties that are different than the elements that compose them

What are compounds?

500

A substance's reactivity

What is a chemical property?

500
Production of a gas

What is a chemical change?

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