Unit 1 Introduction to Matter

True of False

A change in size or shape is a chemical change.

• True

• False

Which of the following properties is a physical property ?

• flammability

• color

• corrosion

Which of the following is a chemical property?

• boiling point

• color

• reactivity with oxygen

• density

Which of the following are intensive properties?

• density

• melting point

• color

• volume

An extensive property of a material

• does not depend upon how much matter is being considered

• depends upon how much matter is being considered.

• could and could not depend upon how much matter is being considered.

Which of the following is an element?

• Ne + He

Which of the following is a compound?

• Na

• Na + Ca

Which of the following are substances?

• ice

• blueberry muffin

• aluminum foil

• soft drink

Select all that are true.

• A mixture consists of two or more types of particles.

• A mixture can only be separated by chemical methods.

• A mixture consist of two or more types of substances.

• A mixture can be separated by physical methods.

Homogeneous mixtures are always 50% one substance mixed with 50% another substance.

• True

• False