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Atomic Theory Part 2
Vocabulary for Atomic Theory
| Term | Definition |
|---|---|
| Conservation of Mass | Matter is NEVER created or destroyed it reorganizes itself. |
| Compound | Chemical combination of 2 or more atoms from different elements. |
| Covalent | Compound between 2 Non-Metals |
| Ionic | Compound between a metal & non-metal |
| Molecule | A Compound or Element. 2 or more atoms. |
| Lewis Dot Structure | Shows the way compounds form using valence electrons |
| Substance | Can't be taken apart, can't be broken down to smaller parts |
| Heterogeneous Mixture | A mixture where substance are not mixed properly |
| Homogeneous Mixture | Two or more substance mixed properly by still not bonded together |
| Solution | Another name for a Homogeneous Mixture |
| Solute | A substance that dissolves or disappear |
| Solvent | The substance the dissolves the solute |
| Precipitate | When certain solutions are mixed, a chemical reaction happens and become a solid |
| Physical Change | The way it looks changes, but not the substance itself (boiling, melting, dissolving, breaking/cut) |
| Vaporization | When a liquid changes to a gas |
| Condensation | A gas changes to a liquid |
| Sublimation | A solid changes into a gas |
| Deposition | A gas changes into a solid |
| Chemical Change | The whole substance changes (bubbles, smell, taste, color, cloudy, temp. change) |