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25 Cards in this Set
- Front
- Back
Atom
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Matter that cannot be broken down into simpler substances
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Compound
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a group of two or more elemnts chemically combined
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Mixtures
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2 or more substances in which each substance retains its own chemical identity
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Solution
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homogeneous mixtures in which particles are dissolved and cannot be seen
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Alloy
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a soild mixture
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Molecule
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part of a solution that does the dissolving
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Solute
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part of the solution that is dissolved
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Bonds
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strong forces that chemically join together the atoms in a compound
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Distillation
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way to seperate liquid from a soultion in which the solvent is evaporate, cooled, condensed and recollected
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Colloid
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homogeneous mixture with large particles which do not settle out
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Solubility
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the ability of the solvent to dissolve the solute
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Colvaent Compound
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atoms create a molecule by shareing electrons
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Periodic Table
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table which organizes the elements by atomic number
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Substance or Pure Substance
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catorgory of matter which includes elements and componds
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Suspension
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Heterogeneous mixture of large paricles which are visable and will settle out upon standing
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Universal Solvent
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water, it dissolves so many substances
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Centrifuge
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Spin at high speeds, heavier and lighter particels spin out at diffrent times and end up in layers
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Law of constant composition
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observation that the elemnt composition of a pure compound is always the same
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Chemical reaction
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when the chemical structer of a substance is changed
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Amalgam
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alloy of murcury with another metal
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Tyndall Effect
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test which uses light to determine the diffrence between a solution and a colloid
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States of Matter
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phyisical forms of matter which include liquid, solid and gas
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Element
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molecukle composed of one kind of atom; cannot be broken onto simpler units by chemical reaction
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Matter
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anything that takes up space and has volume`
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Reactivity
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how readily a substance combines chemically with other substances
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