Compounds and mixtures

Question 1

What is a compound?

Answer 1

A compound is two or more elements chemically joined together.

Examples are: 
Sodium Chloride
Calcium Bromide
Copper oxide
Silver chloride
Cobalt chloride
Carbon dioxide

Question 2

What is a mixture?

Answer 2

In chemistry, a mixture is a material made up of two or more different chemical substances which are not chemically bonded.

A mixture is two or more pure substances mixed together; different substances have different properties these can be used to separate mixtures.

Examples include 
toothpaste
Rocks
Air
Seawater