| A | B |
|---|
| Matter | Anything thas has mass & takes up space |
| Mass | Gravity has an effect on weight & mass is always the same |
| Atoms | Matter is composed of these smaller particles |
| Nucleus | Central part of an atom. Most of the mass of the atom is located here/ |
| Shells | Electrons are located here |
| Protons | Mass of one, charge of positive |
| Electrons | mass of ~0 and a negative charge |
| Neutrons | Mass of 1 and charge of 0 |
| Weight | the force an object exerts because of gravity |
| Chemistry | The study of Matter |
