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IPC Chem Rxns

TEKS I.8.A & I.8.B

TermDefinition
Chemical Property A characteristic or behavior of a substance that may be observed when it undergoes a chemical change or reaction.
Chemical Change A change that occurs when two or more substances combine to form a new substance; new substances have new properties
Valence Electrons The electrons in the outermost energy level of an atom.
Precipitate The solid that forms when combining two liquids.
Electrolysis Chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
Corrode Destroy or damage (metal, stone, or other materials) slowly by chemical action.
Tarnish No longer shiny.
Conservation of Mass Mass is not created or destroyed, but rearranged
Chemical Equation A way of writing changes in the arrangement of atoms during a chemical reaction, using chemical symbols.
Product The final material or substance left at the completion of a series of reactions.
Reactants Elements and compounds that are present at the beginning of a chemical reaction.
Coefficients The big number in front of the chemical formula that indicates how many molecules are in the chemical formula.
Subscripts The small number that is placed behind and slightly below a chemical formula. Subscripts indicate how many atoms are present in a chemical formula.
Oxidation the loss of electrons by an atom, ion, or molecule; gaining oxygen; losing hydrogen
Combustion a chemical process of rapid reaction between a substance (the fuel) and an oxidant (usually oxygen) that produces heat and light
Neutralization reaction between an acid and a base, where they react to form a salt and water
Acid donates a proton (H+ ion) or accepts a pair of electrons; have a pH less than 7, sour taste, turn blue litmus paper red, and produce hydrogen gas when reacted with certain metals
Base accepts protons, donates electrons, or releases hydroxide ions (OH-) when dissolved in water; pH greater than 7, taste bitter, feel slippery to the touch, and turn red litmus paper blue
Created by: NEISDSci
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