Chem 1210 chapter 1 Word Scramble
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Question | Answer |
Matter | anything that has mass and occupies space |
property | any characteristic that allows us to recognize a particular type of matter and to distinguish it from other types |
gas | no fixed volume or shape |
liquid | distinct volume, no shape |
solid | definite shape and volume |
pure substance | matterthat has distinct properties and a composition that does not vary from sample to sample |
elements | substances that cannot be decomposed into simpler substances |
compounds | substances composed of two or more elements |
mixtures | combinations pf two or more substances in which each substance retains its chemical identity |
law of definite proportions (constant composition) | a pure compound has the same composition and properties regardless of its source |
heterogeneous mixtures | do not have the same composition, properties, and appearance throughout |
homogeneous mixtures | uniform throughout |
solution | homogenous mixture |
intensive properties | do not depend on the amount of sample |
extensive properties | depend on the amount of sample |
precision | a measure of how closely individual measurements agree with one another |
accuracy | how closely individual measurements agree with the true value |
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