| A | B |
| atom | tiny particle made of electron, neutrons and protons |
| atomic number | the number of protons in an atom |
| chemistry | the study of matter |
| compounds | matter formed by two or more elements joined by a chemical reaction |
| electron | negatively charged atomic particle |
| electron cloud | takes up most of the SPACE of an atom |
| element | matter made of only one kind of matter |
| gas | matter with no definite shape or volume |
| liquid | matter with a definite volume and indefinite shape |
| matter | anything that has mass and takes up space |
| metalloids | have characteristics of both metals and nonmetals |
| mixture | two or more elements, compounds, or both combined wihtout a chemical reaction |
| metals | shiny, good conductors, malleable |
| molecule | the smallest part of a compound |
| neutron | atomic particle with no electrical charge |
| nonmetals | dull, poor conductors, brittle |
| nucleus | contains most of the mass of an atom |
| plasma | e- charged matter with no definite shape |
| proton | positively-charged atomic particle |
| saturated solution | when a solvent is holding the maximum amount of solute for that given temperature |
| solid | matter with a definite shape and volume |
| solute | the less-abundant substance in a solution |
| solution | a mixture in which one substance is dissolved in another |
| solvent | the more-abundant substance in a solution |
| suspension | when some of the particles do not dissolve in a solution |