| A | B |
|---|
| Atom | smallest part of matter |
| Ionic Bond | type of bond that involves electrons being gained or lost |
| Solid | type of matter having definite shape and volume, molecules vibrate in place |
| Ion | charged atom |
| Diatomic | atoms of the same element join by sharing electrons |
| Dalton | invented atomic theory |
| Valence | electrons in outer shell forming bonds between atoms |
| Liquid | molecules flowing freely, definete volume, molecules move slow |
| Group | the vertical columns on the Periodic Table that show the amount of eletrons in an atom's outer shell |
| Compound | two or more elements joined by bonds |
| Element | basic substances that cannot be broken down or changed into simpliar substances |
| Gas | no definete shape or volume, molecules move fast |
| Molecule | atoms formed by sharing electrons |
| Electron Cloud | space occupied by the electrons in an atom |
| Covalent Bonds | bond in which electrons are shared |
| Single Replacement | one replaces another, and one is released |
| Double Replacement | elements trade places creating two different compunds |
| Isotope | atoms of the same elements with different numbers of neutrons |
| Polyatomic Ion | type of ion that contains atoms from more then one element |
