Chapter 21 Science VOCAB Crossword
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
                                                
 
 
Down: 1)  chemical reaction in which one substance breaks down into two or more substances2) shorthand method to describe chemical reactions using chemical formulas and other symbols3) a chemical equation with the same number of atoms of each element on both sides of the equation4) chemical reaction that produces a precipitate, water, or a gas when two ionic compounds in solution are combined7) chemical reaction in which two or more substances combine to form a different substance12) the loss of electrons from the atoms of a substance15) number in a chemical equation that represents the number of units of each substance taking part in a chemical reactions Across: 5) in a chemical reaction, the substance that reacts6) the gain of electrons by the atoms of a substance8) substance that speeds up a chemical reaction without being permanently changed itself9) insoluble compound that comes out of solution during a double displacement reaction10) chemical reaction in which one element replaces another element in an compound11) chemical reaction that requires heat energy in order to proceed13) process in which one or more substances are changed into new substances14) chemical reaction that releases some form of energy, such as light or heat16) chemical reaction that requires energy input (heat, light, or electricity) in order to proceed17) a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light18) chemical reaction in which energy is primarily given off in the form of heat19) substance that slows down a chemical reaction or prevents it from occurring by combining with a reactant20) in a chemical reaction, the new substance that is formed
 

 

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