Allen Home Work

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Across
  1. 2. formula which represent valence electrons
  2. 4. attraction between nuclei and valence electrons
  3. 6. indicates relative numbers of atoms
  4. 8. a neutral group of atoms held together by bonds
  5. 9. composed of positive and negative ions
  6. 11. unequal attraction to shared electrons
  7. 12. bonding electrons are shared equally
  8. 13. repulsion of valence electrons
  9. 19. orbitals of equal energy produced
  10. 20. bonding of molecules or atoms that cannot be represented by a chart
  11. 21. indicates arrangment of bonds
  12. 23. ability to be hammered
  13. 24. uneven distribution of charge
  14. 25. one pair of electrons
  15. 26. mixing of two or more atomic orbitals
  16. 27. electrical attractions between anions and cations
  17. 28. simplest collection of atoms
Down
  1. 1. energy released when one mole of ionic compund is formed
  2. 3. hydrogen atom is bonded to a highly electronegative atom
  3. 5. valence electrons are indicated around the element symbol
  4. 7. energy required to break a chemical bond
  5. 10. types and numbers of atoms combined in a molecule
  6. 14. multiple pairs of electrons
  7. 15. compounds whose simplest units are molecules
  8. 16. charged group of covalently bonded atoms
  9. 17. sharing of electron pairs
  10. 18. ability to be drawn or pulled
  11. 22. attrcation between metal atoms and sea of electrons