Vocab terms Crossword
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
 
 
Down: 1) chemical reactuions that absorb thermal energy2) minimun amount of energy needed to start a chemical reaction3) a description of a reaction using element symbols and chemical formulas4) one compund breaks down and forms two or more substances7) a catalysr thats speeds up chemical reaction in living cells9) chemical reaction that releases thermal energy10) the process in which atoms of oine or more substances rearrange to fffornm one or more new substances12) a chemical reaction in which a substance combines with oxygen and releases energy Across: 5) a substance that slows or even stops a chemical reaction6) substance that increases reaction rate bt loweubg the actuicuatuin enerfy od a reacrion8) element replaces another element in a compound11) negative ions in two compounds switch placesm forming rwo new compounds13) substances that are producd by the chemical reaction14) states thar the total mass of reactions before a chemical reaction is the same as the total mass of the products after the chenicak reaction15) a number placed in front of an element symbolk of a chemical formulas in a equation16) a type of chemical reaction in which yeo or motr usubtststances combine an d forme copudns17) starting priduced by thew chemical reactyion
 

 

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