| A | B |
|---|
| Element | A unique and pure substance that is comprised of atoms, each having the same properties and the same number of protons |
| Nucleous | The center of every atom, containing positively charged protons and neutrally charged neutrons |
| Electrons | The negatively charged particles which orbit around the nucleus of every atom |
| Properties | The characteristics of a given element, such as color, smell, hardness, shape and texture |
| Dmitri Mendeleev | The Russian chemist who created the Periodic Table of Elements |
| Periodic Table of elements | The arragement of all elements into a logical grouping, based upon the number of protons (Atomic Number) |
| Compound | A substance formed by the joining of two or more elements together through chemical bonding |
| Chemical Bonding | The process that changes two or more elements into a compound by changing the electron configuration |
