Elements and compounds

What is an element?

• a substance that is made of only one type of atom

• a substance that is made of molecules of two or more different atoms chemically bonded together

• a substance made of different atoms and/or molecules, not chemically bonded together

What is a compound?

• a substance that is made of only one type of atom

• a substance that is made of molecules of two or more different atoms chemically bonded together

• a substance made of different atoms and/or molecules, not chemically bonded together

What is a mixture?

• a substance that is made of only one type of atom

• a substance that is made of molecules of two or more different atoms chemically bonded together

• a substance made of different atoms and/or molecules, not chemically bonded together

This is an example of

• element

• compound

• mixture

This is an example of

• element

• compound

• mixture

This is an example of

• element

• compound

• mixture

This element is made of

• atoms

• molecules

This element is made of

• atoms

• molecules

Elements and the compounds made by those elements...

• have similar properties

• have different properties

What is the formula of carbon dioxide?

• CO

• CO2

• CH2

• COH