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Chapt 3 words
| Question | Answer |
|---|---|
| Matter | Everthing that has mass or takes up space |
| Elements | The ingredientes that make up all other substances. Cant be broken down into other subtances |
| Meteals | good conducters of electricity and heat. can bend without breaking. most are grey |
| Nonmetals | Do not conduct heat and electricity very well. May be a gas of solid |
| Atoms | The smallest part of an element that still acts like a element |
| Compound | A type of matter made of two or more elements |
| sedimetals | Sometimes like metals and sometimes like nonmetals |
| atomic theroy | States that everthing is made of atoms |
| molecule | Smallest particle of a compound that still acts like that compound |
| proton | Positive charge. Found in nucleus |
| neutron | No charge. Found nucleus |
| electron | negative charrge. Orbits the nucleus |
| SOLID | Has a definite volume or shape. Particles are very close together, and don’t move past each other. Keeps its shape. |
| LIQUID | Has a definite volume but not shape. Particles can move past each other. Takes shape of container |
| GAS | No definite volume or shape. Particles spread out evenly and take shape of container. Can be squeezed into a smaller volume |
| PLASMA | Like a gas, but conducts electricity like a metal. Occurs with high temps or electric charge. |
| MELTING POINT | Solid to liquid or liquid to solid. Same temperature as freezing point. |
| EVAPORATION | When liquids become a gas |
| CONDENSATION | When gas becomes a liquid. Gas particles touch a cold surface and the temperature drops. |
| BOILING POINT | The temperature at which evaporation occurs |
| MIXTURE | Two or substances that mix together but each keeps its own identity |
| SOLUTION | A mixture where substance spreads out evenly and will not settle |
| SOLUTE | The substance being dissolved |
| SOLVENT | What the substance is dissolved in |
| SOLUBILITY | A way to measure how much a material dissolves into another |