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25 Cards in this Set
- Front
- Back
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solid
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definite shape and definite volume
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liquid
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distinct volume but no specific shape
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gas
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no fixed volume or shape
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pure substance
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has distinct properties and the composition never varies
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element
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cannot be broken into simpler substances
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compound
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substances composed of 2 or more elements
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mixture
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combinations of 2 or more substances in which each substance retains its own chemical identity
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solutions
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homogeneous mixtures
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reaction
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a mixture in which the chemical structure is changed
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alloys
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mixture of 2 or more metals
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emulsion
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mixtures of oils and waters
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solute
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substance that is dissolved
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solvent
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the substance doing the dissolving
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solubility
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amount of solute that can be dissolved by the solvent
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colloids
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solutions with much bigger particles - they are foggy and milky
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molecule
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general term used to describe atoms connected by chemical bonds
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bonds
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strong forces that chemically join together the atoms in a compound
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covalent compounds
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these happen when atoms share the electrons
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filters
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used to remove dirt and other materials from liquids
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insoluble solid
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will not dissolve
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soluble solid
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does dissolve to form a solution
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distillation
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way to separate liquid from a solution - is evaporated but then cooled and condensed
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electro covalent/ionic compounds
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electrons are donated from one atom to another
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periodic table
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table in which the symbol for each element is enclosed in a box
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homogenous systems
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everything in a solution is evenly spread out and mixed together
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