Classifying Substances

Front

What is an element?

Back

A substance made of only one kind of atom.

Front

What is a mixture?

Back

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

Front

What is a compound?

Back

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

Front

What is a heterogeneous mixture?

Back

A mixture in which the components are not uniformly distributed and can be easily distinguished.

Front

What is a homogeneous mixture?

Back

A mixture in which the components are uniformly distributed and cannot be easily distinguished.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is the difference between a compound and a mixture?

Back

A compound is made of two or more elements chemically bonded, while a mixture is made of substances that are not chemically bonded.

Front

What is an example of a heterogeneous mixture?

Back

Salsa, as it contains different ingredients that can be seen and separated.

Front

What is an example of a homogeneous mixture?

Back

Saltwater, as the salt is evenly dissolved in the water.

Front

What does Fe2 represent?

Back

It represents an element, specifically iron, as it consists of only one type of atom.