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