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 |