Periodic Table Vocab Crossword

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Across
  1. 2. energy needed to remove an electron
  2. 7. contains properties of metals and nonmetals
  3. 8. an atom that gain electrons
  4. 9. ordered the periodic table by atomic mass
  5. 10. group eighteen
  6. 14. outermost electrons
  7. 16. elements that are shiny, able to be shaped
  8. 17. attraction of an atom to its electrons
  9. 18. a row
  10. 20. group two
  11. 21. something that can be pulled into a wire
Down
  1. 1. group 17
  2. 3. unreactive
  3. 4. something that can be flatten into sheets
  4. 5. changes in response to gaining or losing electrons
  5. 6. a column
  6. 10. elements that are dull, brittle
  7. 11. one half the distance of identical atoms bonded together
  8. 12. ordered the periodic table by atomic number
  9. 13. likelihood of losing electrons
  10. 15. an atom that loses electrons
  11. 19. group one