Vocabulary Matching Crossword
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
                   
 
 
Down: 2) the properties of elements tend to repeat in a regular pattern when elements are arranged in order of increasing atomic number3) a negatively charged subatomic particle found in the energy level of an atom5) The smallest particle that has the properties of an element6) the center of an atom; made up of protons and neutrons7) a positively charged subatomic particle in the nucleus of an atom9) a horizontal row of elements in the periodic table Across: 1) a vertical column of elements in the periodic table4) the total number of protons and neutrons in the nucleus of an atom8) the number of protons in the nucleus of an atom10) a neutral subatomic particle in the nucleus of an atom
 

 

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