| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| mass | the material/stuff that mass is made up of-it can be measured |
| space/volume | Its a area that matter takes up |
| density | d=m/v amount of mass that is a certain volume of space |
| atom | smallest part in a element |
| electron | particles from a atom has a negative |
| proton | particles of an atom with a positive charge is in the nucleus |
| neutron | particle in a atom with a neutral no charge located in the nucleus |
| periodic table | is a big grid that shows you all the the elements of physical and chemical properties |
| element | is cannot be broken down |
| periods/rows | its row how to tell you how many energy levels that has elements |
| groups or family/columns | column tells how many valence electrons each element has/the number of electrons that can move on the outer shell / energy level |
| valence electrons | its electrons that move in the outer shell |
| atomic number | to see how many electron and protons that are in the nucleus |
| atomic mass | measurement of the mass for element and atoms |
