Ch 2 Matter Post-Test (2.1 - 2.3)

Front

What are chemical formulas designated for?

Back

Compounds.

Front

What is the type of matter that has only one type of atom called?

Back

Element.

Front

Give an example of a heterogeneous mixture.

Back

Chicken noodle soup.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances, e.g., rusting of iron.

Front

What does the term 'element' refer to?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition, while a heterogeneous mixture has a non-uniform composition.

Front

What is an example of a homogeneous mixture?

Back

Salt water.

Front

What is the boiling point of water?

Back

100 degrees Celsius at standard atmospheric pressure.