Elements & Compounds - 2-4 Elements Compounds element a substance that cannot be separated into simpler substances by a chemical change element

Elements & Compounds - 2-4 Elements Compounds...

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2-4: Elements & Compounds element: a substance that cannot be separated into simpler substances by a chemical change - element abbreviations are one or two letters - names after people, places; some have French or Latin names
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Compound: two or more elements combined in a chemical reaction Pure substances: have a unique set of chemical and physical properties (elements or compounds) Electrolysis: the use of an electric current to break apart a compound
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