Chemistry

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Across
  1. 2. something not metal
  2. 4. to attract a bonding pair of electrons
  3. 5. the distance between the nuclei
  4. 9. shell of the atom
  5. 12. the elements when arranged in the order of
  6. 13. atoms or molecules are converted to
  7. 16. a column of elements in the
  8. 18. a measure of the tendency of an
  9. 21. a positively charged ion
  10. 24. carbon, nitrogen, oxygen, and fluorine
  11. 25. hydrogen (H), lithium(li),sodium
  12. 26. the successive occupation of the orbitals in a
  13. 27. helium, lithium, beryllium,
  14. 28. fluorine, chlorine, bromine, iodine, and
  15. 30. xenon, and radon
Down
  1. 1. and gold
  2. 3. invented periodic table
  3. 6. element whose properties are intermediate
  4. 7. conductivity
  5. 8. those of metals and solid nonmetals or
  6. 10. atomic numbers show a periodic variation of
  7. 11. charged atoms
  8. 12. table of the chemical elements
  9. 14. structure and of most of their properties
  10. 15. titanium, copper, nickel, silver,
  11. 17. substances characterized by high electrical and
  12. 19. two identical atoms bonded together
  13. 20. a negatively charged ion
  14. 22. molecule with a net electric charge
  15. 23. any process by which electrically
  16. 29. helium, neon, argon,