Vocab terms Crossword
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
                                      
 
 
Down: 1) substances that are producd by the chemical reaction2) minimun amount of energy needed to start a chemical reaction3) one compund breaks down and forms two or more substances5) a chemical reaction in which a substance combines with oxygen and releases energy7) chemical reactuions that absorb thermal energy9) substance that increases reaction rate bt loweubg the actuicuatuin enerfy od a reacrion11) starting priduced by thew chemical reactyion13) a catalysr thats speeds up chemical reaction in living cells14) a type of chemical reaction in which yeo or motr usubtststances combine an d forme copudns Across: 4) a description of a reaction using element symbols and chemical formulas6) states thar the total mass of reactions before a chemical reaction is the same as the total mass of the products after the chenicak reaction8) chemical reaction that releases thermal energy10) a substance that slows or even stops a chemical reaction12) a number placed in front of an element symbolk of a chemical formulas in a equation15) negative ions in two compounds switch placesm forming rwo new compounds16) the process in which atoms of oine or more substances rearrange to fffornm one or more new substances17) element replaces another element in a compound
 

 

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