Periodic Table Crossword Puzzle

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Across
  1. 3. Electrons group number
  2. 4. Number the number on the elements
  3. 8. Neon
  4. 11. Metals Lithium
  5. 13. Every thing in existance
  6. 15. Total charge
  7. 17. Bromine
  8. 18. It reacts violently with water
  9. 19. Metals 3-12
Down
  1. 1. lacking power to move
  2. 2. Vertical
  3. 4. Berlium
  4. 5. Helium
  5. 6. Hydrogen is part of it
  6. 7. Positive and Negative ions
  7. 9. Horizontal
  8. 10. weight of an element
  9. 12. tendency of an atom
  10. 14. Silver
  11. 16. Atom or molecule