| A | B |
|---|
| melting | solid to liquid |
| condensing | gas to liquid |
| fusion | liquid to solid |
| vaporizing | liquid to gas |
| sublimation | solid directly to gas or reverse |
| chemical change | a change to a new substance |
| physical change | a change in size, state, or shape of matter |
| homogeneous mixture | substances distributed unevenly |
| heterogeneous mixture | subtances distributed evenly |
| chemical property | characteristic telling how & if it undergoes chemical change |
| physical property | color, shape, & size of an object |
| colloid | exhibits Tyndall effect, never settles |
| suspension | settle over time, visible particles |
| element | contains only 1 kind of atom |
| compound | matter containing at least 2 kinds of atoms chemically bound |
| JJ Thomson | plum pudding model |
| Rutherford | gold foil, existence of nucleus |
| quarks | makeup protons & neutrons |
| atomic number | number of protons |
| negative | charge of electron |
| positive | charge of proton & nucleus |
| cloud | where electrons are |
| isotopes | differ in neutrons |
| Tyndall effect | scattering of light by small particles |
