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| anything that occupies space and has mass |
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| properties that can be observed and measured without changing the chemical makeup of the substance (ex: density, color, boiling point |
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| mass per unit of volume, density of water = 1 g/mL |
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| 100 degrees Celsius/32 degrees Fahrenheit for water |
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| solution where water is the solvent |
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| two or more substances combined, but the substances retain their individual properties |
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| mixture where the composition is not uniform throughout |
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| heterogeneous mixture in which the solid particles are large enough to settle out or can be separated by filtration |
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| heterogeneous mixture in which the particles are small enough to remain suspended in the solution and don't settle out |
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| mixture that is uniform throughout |
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| homogeneous mixture that light can pass through, particles are fully dissolved |
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| substance being dissolved in a solution |
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| substance doing the dissolving in a solution |
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| visualizing on the level of atoms and molecules |
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| building blocks of matter, smallest particle of an element |
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| matter that is made up of only one kind of atom |
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| substance that is composed of atoms of two or more elements bonded together |
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| element symbols and subscripts to denote the # of atoms of each element in a compound |
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| elements or compounds, having a uniform and definite composition |
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| two or more atoms bonded together |
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| large scale objects visible with the naked eye |
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| letters that represent each element |
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| periodic table of the elements |
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| organized chart that depicts all known elements |
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| number written below the normal line of letters, indicates how many atoms of the element just to the left are in the substance |
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| reactants and products involved in a chemical reaction |
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| breaking and forming of chemical bonds, causing atoms to become rearranged and new substances formed |
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| starting substances in a chemical reactions |
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| ending substances in a chemical reaction |
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| elements that exist as two atoms bonded together (HONClBrIF) |
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| negatively charged particle that makes up atoms |
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| positively charged particle in the nucleus of an atom |
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| neutral particle in the nucleus of an atom |
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| charged atom formed by gaining or losing electrons |
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| substance formed by the attraction between positive and negative ions |
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| positively charged ion, created by losing electrons |
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| negatively charged ion, created by gaining electrons |
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| group of bonded atoms that acts as a unit |
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| appearance of an insoluble solid during a chemical reaction |
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| test that confirms the presence of absence of a substance |
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| test that determines the amount of a substance |
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| solution that contains the substance of interest to be used as a positive test |
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