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Chem 177
Chapter One Vocab
| Question | Answer |
|---|---|
| Anything that has mass and takes up space | Matter |
| Any characteristic that allows us to recognize a particular type of matter and to distinguish it from other types | Property |
| The very small building blocks of matter | Atoms |
| Two or more atoms joined together to form a ... | Molecule |
| Has no fixed volume or shape | A Gas |
| Has a distinct volume but no specific shape | A Liquid |
| Both a definite shape and volume | A solid |
| Matter that has distinct properties and a composition that does not vary from sample to sample | pure substance |
| Substances that cannot be decomposed into simpler substances | elements |
| Substances composed of two or more elements | Compound |
| Combinations of two or more substances in which each substance retains is chemical identity | Mixture |
| Properties that do NOT depend on the amount of sample being examined | Intensive |
| Properties that DO depend on the amount of sample being examined | Extensive |
| Mixtures that are uniform throughout | Homogeneous |
| Mixtures that are NOT uniform throughout | Heterogeneous |
| The amount of mass in a unit volume of a substance | Density |