click below
click below
Normal Size Small Size show me how
Chemistry Quiz 1 mat
Chemistry Quiz 1
Question | Answer |
---|---|
pure substance | matter which has the same composition throughout |
solid | a form of matter that has its own definite shape and volume |
liquid | a form of matter that flows, has unchanging volume, and takes the shape of its container |
physical change | a change that alters the substance without altering its composition |
intensive property | qualities of matter that do not depend on the amount of substance present |
extensive property | qualities of matter that are dependent on the amount of substance present |
example of intensive property | density |
example of extensive property | mass |
significant figures | numbers in a measurement that you know for certain, plus the first number you estimate |
mass | the amount of stuff in a material or object, measured in grams |
volume | the amount of space a substance takes up, usually measured in milliliters |
chemical property | the ability of a substance to combine with or change into another substance |