front 1 1. Simplest form of matter 2. Distinct chemical and physical properties 3. Cannot be broken down chemically into simpler, stable substances | back 1 Elemet |
front 2 The smallest amount of an element that still has the characteristics of that element | back 2 Atom |
front 3 Pure Substances | back 3 Elements and compunds |
front 4 Mixture | back 4 Two or more substances that are physically combined |
front 5 Mixtures: | back 5 Not chemically bonded Can be separated by physical means do not have definite competitions |
front 6 Heterogeneous mixture | back 6 Substance not uniformly mixed |
front 7 Homogeneous mixture | back 7 Has Uniform Composition (uniformly mixed) |
front 8 Describe a substance without changing composition | back 8 Physical Properties |
front 9 Characteristic chemical reactions that chemical undergoes (changes competition) | back 9 Chemical Properties |
front 10 Extensive Properties depend on: | back 10 The amount of a substance Ex. Mass, Volume |
front 11 The same regardless of mass Ex. Density, Color, melting point | back 11 Intensive Properties |
front 12 Constant and typically different from the properties of elements that compose them Ex. Sodium, reactive t water, Sodium Chloride not reactive | back 12 Properties of Compounds |
front 13 Similar to the properties of compounds of the mixture and changes based of amount of compounds | back 13 Properties of mixtures |
front 14 Physical change | back 14 When the composition of a substance is not altered |
front 15 Chemical change | back 15 Reactions rearrange chemical composition to form products |
front 16 Refers to the identity of form of quality of a substance | back 16 Qualitative Data |
front 17 Quantitative Data | back 17 Determines the amount of the substance (quantity) |
front 18 Precision | back 18 Closeness of all of a set of measurements to one another |
front 19 Accuracy | back 19 Closeness of average of a set of mesurments to the true value |