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Atomic Theory
| Term | Definition |
|---|---|
| Element | Pure is made of only one type of atom |
| Compound | Chemical combination of 2 or more atoms from different element |
| molecule | 2 or more atoms combine compounds |
| Covalant | cmpa btm 2 Nm |
| Ionic | cmpa btm a metal and Nm |
| Lewis Dot Structure | Shows the way cmpas form using valence electrons |
| Physical Change | is one in which the form or appearance of matter changes |
| vaporization | Liquid changes too solid. A liquid changes into a gas. |
| condensation | gas changes into a liquid. |
| sublimation | solid changes directly into a gas |
| deposition | gas changes into solid |
| chemical change | substances are changed into different substances |
| law of conservation of mass | a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system |