Dms chemistry Crossword
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
                          
 
 
Down: 1) a substance made of only one type of atom3) a reaction that releases heat energy4) number that tells how many atoms of each element make up a compound6) positively charged particle that is the same as the atomic number8) shorthand form to represent which elements make up a compound10) a reaction that absorbs heat energy12) two or more substances that come together but do not chemically combine14) amount of substance present in a certain volume15) a substance that speeds up a chemical reaction without being destroyed16) substance that forms as a result of a chemical reaction Across: 2) the ability of a metal to be pounded into flat5) a column of the periodic table that has elements with similar properties7) slows down a chemical reaction9) an element in group 17 of the periodic table that has 7 valence electrons11) a substance that is made of more than one element chemically combined13) the ability of electrons to pass through a substance17) substance that exists before a chemical reaction begins18) anything substance has mass and volume19) the number of protons plus the number of neutrons20) slows down a chemical reaction
 

 

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