First 10 Science Crossword
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
 
 
Down: 1) the force of attraction that holds two or more atoms together 2) a short, easy way to show a chemical reaction, using symbols instead of words3) an explanation; explanation basted on thought; explanation based on observation and reasoning, especially one that has been tested and confirmed as a general principle explaining a large number of related facts. po5) the joining of atoms to form new substances Across: 4) of or having to do with biochemistry6) a combination of chemical symbols and numbers to represent a substance7) a chemical compound with a sour or bitter taste usually unites with a base to form a salt. They have a pH value of less than 7.8) ending materials in a chemical reaction 9) the amount of electrons that will be gained or lost; the final charge10) built up of amino acids. They are complex organic compounds, essential to the functioning as well as the structure of all organic cells
 

 

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