Physical and Chemical Properties Vocabulary

Front

What is a pure substance?

Back

A single substance with definite composition and properties.

Front

What does the term 'bulk quantities' refer to?

Back

Large amounts.

Front

What is a chemical property?

Back

A characteristic that can be observed or measured only when atoms rearrange during a chemical change.

Front

What physical property of sugar stays the same after mixing with hot tea?

Back

Mass.

Front

What is a chemical reaction?

Back

The process by which one or more substances change to produce one or more different substances.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its identity.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the substance's chemical composition, while a chemical change does.

Front

What is an example of a chemical property?

Back

Flammability, which describes how a substance reacts with fire.

Front

What is an example of a physical change?

Back

Melting ice into water.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.