click below
click below
Normal Size Small Size show me how
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 |