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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 |