Topic 1: Properties & Changes of Matter Test Review

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is a solution?

Back

A mixture where particles are evenly mixed and not visible.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What does it mean if a substance is the least dense?

Back

It means it will float on substances that are more dense.

Front

What state of matter is characterized by having a definite shape and volume?

Back

Solid.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is the definition of density?

Back

Density is the mass of a substance divided by its volume.

Front

What happens to the particles in a solid when it melts?

Back

The particles gain energy and move more freely.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that retain their individual properties, while a compound is a substance formed when two or more elements chemically bond.

Front

What is an example of a chemical change?

Back

Rusting iron.