Elements, Compounds, and Mixtures

Front

What are the small particles that make up matter?

Back

Atoms

Front

An element is made up of only one kind of what?

Back

Atom

Front

How many elements are represented in the compound Na2CO3?

Back

3

Front

What type of material is a heterogeneous mixture?

Back

A mixture that has a non-uniform composition.

Front

Which of the following represents an element: H2O, H2, NaCl, CaCO3?

Back

H2

Front

What is a compound?

Back

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

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 from two or more elements that are chemically bonded.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.

Front

What is an example of an element?

Back

Oxygen (O) or Gold (Au).

Front

What is the chemical formula for water?

Back

H2O