Science Crossword
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
 
 
Down: 1) Discovered x-rays3) discovery of radioactivity5) Discovered the neutron e=mc26) When 1 proton is gained and a neutron is lost7) made the 1st periodic table of elements9) Modern Atomic theory w/ evidence element combines in similar ratios12) discovery of protons/electrons Across: 2) new model of atom and quantum leaps (cloud)4) Discovered hydrogen and water was made of H and O.8) Discovered radium10) Modern Oxidation theory11) solar system model of atom12) discovered oxygen and carbon dioxide13) Used vacuum tube and magnetic lead which lead to the discovery of electrons14) When 2 protons or neutrons are lost15) No particles lost or gained
 

 

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