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chapter 3
matter
| Term | Definition |
|---|---|
| matter | matter is anything that has mass or takes up space |
| element | elements- ingredents that make up all other subsinsise |
| maetal | most elements are metal and they are good conducters of electricity or heat. |
| nonmetals | do not conduct heat or electrtcity that easy |
| semimetals | sometimes like metals, sometimes not like metal |
| atoms | atoms are the smallest of a element that still acts like a element |
| atomic theory | states that everything is made of atoms |
| compounds | a type of matter made of two or more elements |
| molecule | smallest partical of a compound that still acts like a compound |
| proton | positive charge. found in the nucleus |
| neutron | no charge. found in the nucleus |
| electron | negative charge. orbits the nucleus |
| solid | has a definite shape and volume. particals are very close together,don't move post each other. |
| liquids | definite s |
| gas | |
| plasmas | |
| melting point | |
| evaporation | |
| condensation |