| A | B |
|---|
| Chemical Property | The ability of a substance to create one or more new substances. |
| Element | A substance that is made up of only one type of atom. |
| Proton | A subatomic particle that has a positive charge and is found in the nucleus of an atom. |
| Ion | An electrically charged atom. |
| Temperature | The measurement of how hot or cold a substance is. |
| Kinetic Molecular Theory | All matter is made up of tiny particles that are in constant motion. |
| State of Matter | When a substance exists as a solid, liquid, gas or plasma. |
| Atom | The smallest particle of matter that still maintains the properties of the original matter. |
| Period | A horizontal row of elements on the Periodic Table. |
| Neutron | A subatomic particle that has no charge or is neutral that is found in the nucleus of an atom. |
| Atomic Number | The number of protons found in the nucleus of an atom. |
| Valence | Outer most shell of an atom that determines its chemical properties. |
| Kinetic Energy | Energy in the form of movement. |
| Phase Transition | The changing from one state of matter to another caused by a change in temperature or pressure. |
| Atomic Mass | The average mass of an element and all of its isotopes. |
| Electron | A subatomic particle that has a negative charge. |
| Group | A vertical column of elements on the Periodic Table. |
| Model | A visual or physical representation of an object. |
| Chemical Change | A change that occurs causing one substance to become one or more new substances. |
| Periodic Table | An organized chart of all the elements known to science. |
| Physical Change | A change of matter from one form to another without changing the substance. |
