| A | B |
|---|
| Chemistry | the science that investigates and explains the structure and properties of matter. |
| matter | anything that takes up space and has mass. |
| mass | the measure of the amount of matter an object contains. |
| property | the characteristics of matter; how it behaves. |
| scientific model | a thinking device built on experimentation that helps us understand and explain macroscopic observation. |
| solvent | the part of a solution that dissolves a solute |
| substance | matter with the same fixed composition and properties. |
| mixture | a combination of 2 or more substances in which the basic identify of each substance is not changed. |
| physical change | a change in matter where its identity does not change. |
| physical property | a characteristic of matter that is exhibited without a change in identity. |
| solution | a mixture that is the same throughout, or homogeneous. |
| atom | the basic particle from which an element is made |
| solute | the substance that dissolves the solute when making a solution. |
| molecule | a group of atoms that are bonded together |
| element | a substance that cannot be broken down into a simpler substance. |
| compound | a chemical combination of 2 or more different elements joined together in a fixed proportion. |
