Chemistry

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Across
  1. 2. atomic number 54
  2. 6. describes the tendency of an atom or function
  3. 7. arrangement of chemicals in rows and columns
  4. 9. atomic symbol K
  5. 12. neutral part of a atom
  6. 14. atomic symbol Hg
  7. 17. atomic symbol Au
  8. 19. atomic symbol O
  9. 20. positive part of an atom
  10. 21. metallic element with a silvery white shiny appearance
Down
  1. 1. atomic symbol C
  2. 3. negatively charged part of an atom
  3. 4. atomic symbol H
  4. 5. atomic symbol Ag and atomic number 47
  5. 8. makes up everything
  6. 10. atomic symbol Pb
  7. 11. atomic number 36
  8. 13. atomic symbol Sn
  9. 15. atomic symbol Cl
  10. 16. atomic number 53
  11. 18. atomic number 11