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Chapter 3
| VOCAB WORD | DEFINITION |
|---|---|
| MATTER | Everything that has mass and takes up space |
| ELEMENT | The ingredients that make up all other substances. Can't be broken down into other substances. |
| METALS | good conductors of electricity and heat. Can bend without breaking. Most have a gray color |
| NONMETALS | Do not conduct heat / electricity very well. May be a gas or a solid |
| SEMI‐METALS | sometimes like metals and sometimes like non-metals |
| ATOM | the smallest part of an element that still acts like that element |
| ATOMIC THEORY | states that everything is made of atoms |
| COMPOUND | a type of matter made of two or more elements |
| MOLECULE | smallest particle of a compound that still acts like that compound |
| PROTON | Positive charge. Found in the nucleus |
| NEUTRON | No charge. Found in the nucleus |
| ELECTRON | Negative charge. Orbits the nucleus |