Elements, Compounds, and Mixtures_Level 2

Front

What is a mixture of compounds?

Back

A mixture that contains two or more different compounds that are not chemically bonded together.

Front

What are the two types of pure substances?

Back

Elements and compounds.

Front

What is a mixture of elements?

Back

A combination of two or more different elements that are not chemically bonded.

Front

What is an element?

Back

A substance that contains only one kind of atom and cannot be broken down into simpler substances.

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 physical combination of substances, while a compound is a chemical combination of elements.

Front

What is an example of an element?

Back

Oxygen (O), Hydrogen (H), or Gold (Au).

Front

What is an example of a compound?

Back

Water (H₂O) or Sodium Bicarbonate (NaHCO₃).

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout, such as saltwater.

Front

What is a heterogeneous mixture?

Back

A mixture that does not have a uniform composition, such as a salad.