AP Chemistry Ch 1 Flashcards
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| 2816813747 | matter | physical material of the universe | 0 | |
| 2816813748 | property | characteristic that allows us to recognize a particular type of matter and distinguish it from other types | 1 | |
| 2816814983 | element | basic susbtance that can't be simplified | 2 | |
| 2816815389 | atoms | the smallest amount of an element | 3 | |
| 2816815829 | molecules | tow or more atoms that are chemically joined together | 4 | |
| 2816815830 | compound | a molecule that contains more than one element | 5 | |
| 2816816923 | pure substance | has distinct properties and composition that do not vary from sample to sample | 6 | |
| 2816818569 | law of definite proportions | "a pure compound has the same composition and properties regardless of its source" | 7 | |
| 2816819983 | heterogenous mixture | do not have the same composition, properties and appearance thoughout | 8 | |
| 2816820696 | homogenous mixture | mixtures that are uniform thoughout | 9 | |
| 2816821562 | gas/vapor | no fixed volume, no distinct shape | 10 | |
| 2816821563 | liquid | distinct volume, no shape | 11 | |
| 2816822112 | solid | definite shape and definite volume | 12 | |
| 2816822605 | physical properties | properties that can be observed without changing the identity and composition of the substances | 13 | |
| 2816823739 | chemical properties | properties in which substance changes or reacts to form other substances | 14 | |
| 2816824159 | intensive properties | properties that do not depend on the amount of sample being examined | 15 | |
| 2816825164 | extensive properties | properties that relate to the amount of substance present | 16 | |
| 2816858734 | peta | 10^15 | 17 | |
| 2816858735 | tera | 10^12 | 18 | |
| 2816859003 | giga | 10^9 | 19 | |
| 2816859004 | Mega | 10^6 | 20 | |
| 2816859693 | Kilo | 10^3 | 21 | |
| 2816860876 | deci | 10^-1 | 22 | |
| 2816861573 | centi | 10^-2 | 23 | |
| 2816862103 | milli | 10^-3 | 24 | |
| 2816867080 | micro | 10^-6 | 25 | |
| 2816867463 | nano | 10^-9 | 26 | |
| 2816867464 | pico | 10^-12 | 27 | |
| 2816876275 | femto | 10^-15 | 28 | |
| 2816876276 | atto | 10^-18 | 29 | |
| 2816876627 | zepto | 10^-21 | 30 | |
| 2816877690 | meter | base unit for length | 31 | |
| 2816877922 | kilogram | base unit for mass | 32 | |
| 2816878959 | Kelvin | SI temperature scale | 33 | |
| 2816880819 | density | amount of mass in a unit volume of a substance (g/cm^3) | 34 | |
| 2816885175 | exact number | those whose values are known exactly | 35 | |
| 2816885681 | inexact numbers | those whose values have some uncertainty | 36 | |
| 2816886124 | precision | measure of how closely individual measurements agree with on another | 37 | |
| 2816886799 | accuracy | how closely individual measurements agree with the correct, "true", value | 38 |