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Properties & Change
Chapter 5
| Question | Answer |
|---|---|
| any characteristic of matter that can be observed without changing the identify of the material | physical property |
| the amount of mass in a given volume | density |
| tells you whether a sample of matter is a solid, liquid, or a gas | state of matter |
| physical properties that change when the size of an object changes | size-dependent properties |
| physical properties that do not change when an object changes size | size-independent properties |
| range of the pH scale | 0-14 |
| the pH of pure water | 7 |
| a characteristic of matter that allows it to change to a different type of matter | chemical property |
| how easily one thing reacts with something else | reactivity |
| compounds made up of a metal and a non-metal that are formed when acids and bases react | salts |
| any change in size, shape, form, or state where the identity of the matter stays the same | physical change |