Matter Test Review Questions

Front

What is a physical property of matter?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing the substance's identity, such as color, density, or boiling point.

Front

True or False: Both elements and compounds are considered pure substances.

Back

True

Front

How would you classify a combination of different substances that retain their individual properties?

Back

A mixture.

Front

What is the main difference between a mixture and a compound?

Back

A mixture can be separated using physical means, while a compound can only be separated using chemical means.

Front

What is the chemical formula for sodium bicarbonate?

Back

NaHCO₃

Front

Define an element in terms of matter.

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

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

Front

Give an example of a physical change.

Back

Melting ice is an example of a physical change.

Front

What is a chemical change?

Back

A chemical change occurs when a substance transforms into a different substance with different properties.

Front

What are homogeneous mixtures?

Back

Homogeneous mixtures are mixtures that have a uniform composition throughout, such as saltwater.