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chemical reaction/

key terms for chemical reactions and acids/bases

QuestionAnswer
acid a substance that tastes sour, reacts with metals and carbonates, and turns litmus paper red
base a substance that tastes bitter, feels slippery, and turns litmus paper blue
chemical equation a short, easy way to show a chemical reaction, using symbols instead of words
chemical reaction the process in which substances undergo chemical changes that results in the formation of new substances
chemical formula a combination of symbols that represent elements in a compound
chemistry the study of the properties of matter and how matter changes
coefficient a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in an reaction
corrosive the way in which acids react with some metals so as to eat away the metal
decomposition a chemical reaction that breaks down compounds into simpler products
indicator a compound that changes color in the presence of an acid or base
pH scale a range of numbers used to express the concentration of hydrogen ions in a solution
product a substance formed as a result of a chemical reaction
reactant a substance that enters into a chemical reaction
replacement a reaction in which one element replaces another in a compound; or when two elements in different compounds trade places
subscript a number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
synthesis a chemical reaction in which two or more simple substances combine to form a new, more complex substance
Created by: tracy.leake