Chemistry vocab

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Across
  1. 5. _________ move away
  2. 8. number above the element
  3. 9. shiny and glossy
  4. 10. _________ go toward
  5. 11. two energy levels 1 valence electron
  6. 12. elements on the right
  7. 14. electricity and heat passes
  8. 15. on the stair case
  9. 16. the number above the element
  10. 17. _____ is nor created or destroyed
  11. 18. up and down on a periodic table
  12. 20. right side of stair case
Down
  1. 1. number of atoms
  2. 2. shatters easily
  3. 3. groups 1,2,13,14,15,16,17
  4. 4. left and right on periodic table
  5. 6. left side of stair case
  6. 7. not seeable
  7. 13. less dense and thick
  8. 19. elements on the left