Matter Part 2

Front

What is a chemical property of matter?

Back

A chemical property describes how matter reacts with another type of matter.

Front

Give an example of a chemical change.

Back

Baking a cake.

Front

Is melting butter a chemical change? Why or why not?

Back

No, because no new matter was formed.

Front

What does a coefficient in a chemical equation represent?

Back

A coefficient tells us how many molecules are present.

Front

How can you separate a mixture of salt and water?

Back

By evaporation.

Front

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

Back

A physical change does not alter the chemical composition of a substance, while a chemical change results in the formation of new substances.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What happens to the molecules in a substance during a chemical change?

Back

The molecules rearrange to form new substances.

Front

What is a mixture?

Back

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

Front

What is the process of dissolving salt in water called?

Back

Dissolution.