ANYTHING THAT TAKES UP SPACE AND HAS MASS. ALL MATTER IS MADE UP OF ATOMS.

THE SMALL UNIT OF CHEMICAL ELEMENTS

EACH ELEMENT IS MADE UP OF ONE KIND OF ATOM. THERE ARE ABOUT 120 ELEMENTS.

A LIST OF ALL CHEMICAL ELEMENTS THAT EXIST IN THE UNIVERSE

FORMED WHEN 2 OR MORE MOLECULES JOIN TOGETHER. THESE MAY BE 2 OF THE SAME ATOMS OR 2 DIFFERENT ATOMS.

Formed when 2 or more different atoms are joined together. All compounds are also molecules, but all molecules are compounds.

Tells you how many atoms.

Multiply the number of molecules you are making.

Is the process by which plants make their own food.

Movement of oxygen from outside environment to the cells within tissues.

An article manufactured or refined for sale.

A substance that takes part in an undergoes change during a reaction.

Is a simple sugar.

Colorless glass with a density of 50% higher if that than air.

Oxygen is a chemical element that you breath.