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Chap. 2 key terms
| Question | Answer |
|---|---|
| energy | the ability to do work or cause change |
| mass | a measure of how much matter is in an object |
| matter | anything that has and occupies space |
| metals | a chemical element that is a good conductor of both electricity and heat |
| metalloid | an element that contains properties of both metals and non-metals |
| mixture | two or more substances that are mixed together but not chemically combined |
| molecule | a particle made of two or more atoms bonded together |
| non-metal | a chemical elements that are poor conductors of electricity and heat |
| substance | a single kind of matter that has distinct physical and chemical properties |
| volume | the amount of space that matter occupies |
| weight | a measure of the force of gravity on an object |