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Compounds & Mixtures

pure substancea substance that cannot be separated by physical means
mixturethe physical combination of two or more substances
elementa substance made of one kind of atom, found on the periodic table
compounda substance created by two or more elements chemically reacting and joining together
Octet rulean element is most stable with 8 valence electrons
homogeneous mixturea mixture that is evenly distributed
heterogeneous mixturea mixture that is unevenly distributed
solutiona homogeneous mixture can also be called this
solutestuff being dissolved
solventstuff doing the dissolving

North Carolina Virtual Public School

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