Keyword method terms Crossword
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
 
 
Down: 1) a horizontal row of elements in the periodic table 2) a bond formed when atoms share one or more pairs of electrons3) a vertical comlumn of elements in the periodic table5) group 18 Across: 4) adding heat6) group 27) taking heat away
 

 

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