| A | B |
|---|
| Element | a sibstance that cannot be split into simpler form. Made of only one kind of atom. |
| Compound | Substance made up of more than one kind of element bonded together chemically. |
| Mixture | More than one kind of element blended together. Not chemically bonded. |
| Bond | Holds two atoms together because of electron sharing or charge. |
| Atom | smallest unit of matter - building block of all matter. |
| Matter | anything that has mass and takes up space. |
| Period | The horizantal rows in the periodic table. |
| Group | The up and down collumns of the periodic table. |
| Noble gases | Elements with full outer electron orbits. Found on the right of the periodic table. Unreactive. |
| A Chemical reaction has occured if: | gas is produced, or a solid is produced, if there's a color change, or heat/light is given off. |
| Synthesis | Process by which compounds are formed |
| electron | negatively charged sub-atomic particle |
| proton | positively charged sub-atomic particle |
| neutron | adds weight but no charge |
| nucleus | contains protons and neutrons |
| first electron orbit | has a limit of 2 electrons |
| chemical formula for rust | Fe2O3 |
| methane | CH4 |
| Chalk | CaCO3 |
| water | H2O |
