Periodic Table Crossword

12345678910111213
Across
  1. 2. vertical column of elements
  2. 4. element type; excellent conductors
  3. 6. element type; okay conductors, properties of both metals and nonmetals
  4. 8. elements in Groups 1,2,and 13-18
  5. 12. number how many protons are in an atom
  6. 13. same atoms with different # of neutrons
Down
  1. 1. element type; poor conductors
  2. 3. when elements are arranged in order of atomic number, physical and chemical properties repeat
  3. 5. subatomic particle, negative charge
  4. 6. number of protons + neutrons
  5. 7. Scientist who arranged the periodic table
  6. 9. subatomic particle, positive charge
  7. 10. subatomic particle, no charge
  8. 11. the horizontal row of elements