Compounds, Elements and Mixtures

What is this?

• Compound

• Element

• Mixture

• Solid

What is this?

• Boiling

• Element

• Compound

• Mixture

What is this?

• Mixture

• Solid

• Compound

• Element

Which of these is NOT a sign of a chemical reaction?

• Colour change

• Gas given off

• Changes shape

• Change in temperature

How can you separate a dissolved solid from a liquid?

• Chromatography

• Filtering

• Sorting

• Evaporation

How can you separate a solution (liquid) from an insoluble (does not dissolve) solid?

• Filtering

• Evaporation

• Boiling

• Sorting

A compound is:

• Only contains one kind of atom

• Two or more types of atom bonded together

• A mixture of different atoms

• One type of atom bonded together

An element:

• Contains only one kind of atom

• Contains more than one kind of atom

• Contains a compound

• All of the above

A mixture:

• Is a type of compound

• Contains two or more types of atom bonded together

• Contains two or more different substances

• Can't be separated

Air is a mixture because it contains many other substances such as oxygen, nitrogen and carbon dioxide

• True

• False