Unit 2 Reading Comprehension Elements/Compounds

Match it! Select the correct answer from the pull down...Good luck!

The chemical symbol for iron is

A __________ is a substance that is made when two or more elements combine.

A molecule of water contains two atoms of _________ and one atom of _______

The element that is represented by he chemical symbol Si

The chemical formula for water is H2O, is H20 an element or compound

Elements are arranged on the __________ _________ based on their properties.

Ca is the chemical symbol for which element?

A ______________ is a PURE SUBSTANCE that contains only one kind of atom.