Vocabulary Matching Crossword
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
 
 
Down: 1) the number of protons in the nucleus of an atom2) a negatively charged subatomic particle found in the energy level of an atom3) a positively charged subatomic particle in the nucleus of an atom Across: 1) The smallest particle that has the properties of an element3) the properties of elements tend to repeat in a regular pattern when elements are arranged in order of increasing atomic number4) a horizontal row of elements in the periodic table5) the center of an atom; made up of protons and neutrons6) a vertical column of elements in the periodic table7) a neutral subatomic particle in the nucleus of an atom8) the total number of protons and neutrons in the nucleus of an atom
 

 

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