Compounds Exit quiz

Two or more different elements bonded together make a ________.

• molecule

• compound

• mixture

• element

A chemical compound contains elements in ________ proportions.

• equal

• unequal

• variable

• fixed

The properties of compounds are _______ the properties of the elements they are made from.

• exactly the same as

• similar to

• different to

What is the correct formula for magnesium sulfate?

• MgO

• MgS

• MgSO4

Which two are rules used for writing chemical formulae?

Choose 2 answers

• Elements are placed in the order of left to right from the periodic table.

• Subscript numbers are placed to the right of the corresponding element.

• A large 2 is used at the front of the compound if there is 2 of each atom.

• You simplify the formulae to the simplest whole number ratio.

• Subscript numbers are used when there is more than one atom.

Name the compound that contains one sulfur atom and two oxygen atoms.

• sulphur dioxide

• sulphur oxide

• sulphur trioxide

• sulphur oxygen