Science 7 and 8 Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 1) max. amount of solute that dissolves in given amount of solvent2) absorbs energy3) substance reacts rapidly with oxygen4) two different compounds exchange positive ions and form 2 new compounds8) compound breaks down into simple substances11) representation of chemical reaction reactants and products expressed as formulas13) electrons transferred from one reactant to another14) releases energy16) forward and reverse paths of change take place at same time19) numbers that appear before the formulas20) new substances formed as result of change21) reaction between acid and base24) amount of substance contains 6.02 x 1023 atoms molecules or ions of substance26) two or more substances react to form single substance28) substances whose particles are dissolved in a solution30) positive ions and negative ions combine to produce salt32) substance in which solute dissolves33) produces hydronium ions36) measure of hydronium ion concentration in solution Across: 5) substance that changes color in presence of an acid or base6) contains as much solute as solvent can hold at given temp.7) mass of one mole of a substance9) produces hydroxide ions10) substance that ionizes into ions when dissolves in water11) energy stored in chemical bonds of substance12) number of moles of a solute dissolved per liter of solution15) substance resistant to large changes in pH17) amount of solute dissolved in specific amount of solution18) one element takes place of another22) neutral molecules gain or lose electrons23) rate at which reactants change into products over time25) breaking into small peices that spread throughout water27) reaction in which conversion of reactants into products and vice versa happen simultaneously29) substances that undergo change31) holds less than max amount of solute in solvent34) substance that affects reaction rate w/out being used in reaction35) contains more solute than can normally hold37) ionic compound seperates into ions as it dissolves
 

 

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