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| anything that has mass and takes up space |
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| using one or two letters to represent an element; 1st one capital all others lower case |
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| mixture in which particles of different substances are evenly mixed |
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| positively charged atomic particle found in the nucleus of the atom |
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| phase of matter with a definite shape and volume; particles are barely moving (vibrating) |
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| a substance that is the same throughout; elements and compounds are examples |
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| phase of matter with a definite volume but no definite shape; particles are moving quickly and slip past one another |
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| group of symbols for a compound that show the kind and number of atoms |
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| negatively charged atomic particle found orbiting the nucleus |
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| the smallest piece of an element that cannot be broken down |
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| pure substance made up of one kind of atom (found on the Periodic Table |
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| matter made up of 2 or more different substances - substances do not change |
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| atomic particle with no charge - found in the nucleus of the atom |
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most recent theory of atomic structure
electrons move around the outside of the nucleus |
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| 2 or more atoms, chemically combined (can be the same type of atoms or different) |
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| central core of an atom; protons and neutrons found here; makes up most of the mass of an atom |
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| phase of matter with no definite shape or volume; particles are electrically charged and moving quicker than a gas |
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| substance made of 2 or more kinds of atoms, chemically combined, always in the same ratio |
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| phase of matter with no definite shape or volume; particles are moving so quickly some escape the substance |
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| Periodic Table of the Elements |
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| organized chart that lists all known elements and information about them |
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| transition from a solid to a liquid by adding energy (ice cube turns to liquid) |
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| transition from a liquid to a solid by taking away energy (water freezes) |
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| transition from gas to a liquid by taking away energy (sweat on a cold glass) |
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| transition from a liquid to a gas by adding energy and going through the boiling point (water boiling on the stove) |
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| transition from liquid to a gas on the surface of the liquid without reaching boiling point |
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| transition from a gas to a solid without going through liquid phase by taking away energy (frost) |
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| transition from a solid to a gas without going through the liquid phase by adding energy (dry ice getting smaller) |
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substance in which components are evenly mixed - same throughout
(milk) |
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| substance in which components are not evenly mixed - not the same throughout (trail mix) |
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| mixture in which particles are mixed by not dissolved (shaving cream, paint, gelatin, smoke, fog) |
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| heterogeneous mixture in which some particles settle out (Italian salad dressing, silty river water) |
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| substance that is dissolved in another substance (salt dissolved in water) |
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| substance that does the dissolving (water in a salt water solution) |
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| water - because it dissolves so many things |
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| measure of how much solute can be dissolved in a certain amount of solvent at a specific temperature |
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| a solution that has dissolved all the solute it can hold at a specific temperature |
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| substance that can dissolve more solute |
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| a solution that contains more solute than normal at a specific temperature |
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| metals in which two or more solids are dissolved together (bronze, brass, stainless steel) |
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| solution that has a small amount of solute compared to the amount of solvent |
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| solution that contains a large amount of solute compared to the amount of solvent |
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| trait that explains how matter reacts or doesn't react with other matter (examples: reactivity and flammability) |
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| amount of matter in a certain amount of space (mass/volume) |
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| trait that can be observed without changing or trying to chance a substance (ex: texture, shape, mass, volume) |
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amount of space something takes up
can use: length x width x height
or using water displacement to determine |
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| trait or characteristic of matter |
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| ability to combine with other matter |
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| amount of matter in a substance |
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