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Chapter 3
Term | Definition |
---|---|
Matter | Mater is anything that has mass and takes up space. |
Element | Thing that make up other substances. |
Atoms | The smallest part of an element that acts like an element. |
Metals | Good conducter of electricity and heat. |
Nonmetals | do not cunduct heat and electricity very well. |
Semimetals | Somtimes like metal, but sometimes like a nonmetal. |
Atom | The smallest part of an element that still acts like an element. |
Atomic Theory | States that everything is made with elements. |
Compound | A type of matter made out of two or more elements. |
Condinsation | When a gas touches a cold surface and became a liquid. |
Chemical Change | One or more types of matter change into other types of matter with different propertities. |
Law of Conservation of Mass | In a chemical change, matter can't be destroyed. |