| A | B |
|---|
| accuracy | describes how close a measurement is to the correct value |
| alloy | homogeneous mixture of metals |
| density | ratio of the mass of the material to the volume of the material |
| compound | substance which contains more than one type of atom |
| diatomic | element with exactly two atoms bonded together |
| element | substance which contains only one type of atom |
| exact number | a counted number with unlimited/infinite significant digits |
| gas | state of matter in which volume and shape can change |
| heterogeneous | mixture with different or varying properties throughout |
| homogeneous | mixture with the same properties throughout; also known as a solution |
| liquid | state of matter in which shape can change but volume does not change |
| mixture | combination of pure substances |
| plasma | state of matter where gases become highly ionized |
| precision | describes the repeatability or number of significant digits in a measurement |
| pure substance | matter with the same atomic composition; either an element or a compound |
| solid | state of matter in which volume and shape do not change |
| solubility | amount of substance which dissolves in a given amount of liquid |
| sublimation point | change of state/phase from solid to gas |
