Elements and Compounds

An element contains...

• a mixture of atoms

• only one type of atom

• one atom

• oxygen

A compound is...

• one kind of atom joined together

• more than one kind of atom not joined together

• a mixture of elements

• more than one kind of atom joined together

Which of these is a compound?

• hydrogen

• water

• oxygen

• silicon

What is the name of the compound containing sodium and oxygen?

• sodium oxide

• sodium oxygen

• oxygen sodiumide

• sodox

What is the name of the compound containing iron and chlorine?

• iron chlorine

• chlorine ironate

• iron chloride

• iron chlorate

What is the name of the compound containing potassium and fluorine?

• potassium difluorine

• potassium fluorine

• potassium fluoride

• potassium fluorate

What is the name of the compound containing aluminium, phosphorus and oxygen?

• phosphorus oxate

• aluminium phosphide

• aluminium oxide

• aluminium phosphate

What is the name of the compound containing copper, carbon and oxygen?

• copper carbonate

• copper carbide

• carbon copperate

• copper oxide

What is the name of the compound containing lithium, nitrogen and oxygen?

• lithium noxide

• lithium nitrate

• lithium nitride

• lithium nitrogenoxide

Hydrogen oxide contains

• a mixture

• hydrogen and oxygen

• hydrogen only

• elements only