03 Classifying Matter

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as color, shape, or boiling point.

Front

Give an example of a physical property.

Back

Color is an example of a physical property.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout, such as salt water.

Front

What is a heterogeneous mixture?

Back

A mixture that consists of visibly different substances or phases, such as salad or muddy water.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means, such as oxygen (O) or gold (Au).

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together, such as baking soda (NaHCO3).

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed from the chemical combination of two or more elements.

Front

What is flammability?

Back

A chemical property that describes how easily a substance can ignite and burn.

Front

What is malleability?

Back

A physical property that describes a material's ability to be deformed or shaped under pressure without breaking.

Front

What is reactivity?

Back

A chemical property that describes how readily a substance undergoes a chemical reaction with other substances.