Anything that has mass and takes up space
An apple has matter

The smallest unit of a chemical unit
Everything in the universe has atoms

One type of atom, there are about 120 Elemis in the universe
One element is Potassium and Bananas have potassium

A list of all the elements organized via properties
These tools all have their place like the periodic table

Formed when two or more atoms join together, may be two of the same atoms or two different atoms

Water is H2O so it’s a molecule

Formed when two or more different atoms are joined together, all compounds are also molecules but not all molecules are compounds

Sodium chloride is NaCl so it’s a compound