Chemistry Chapters 1-9 General Review Part 2

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Across
  1. 2. an intermolecular force created by the polar ends of some molecules
  2. 3. the number of protons in an atom
  3. 5. the heat required to cause a unit rise in the temperature of a unit mass of a given substance
  4. 8. property used to predict whether a bond is primarily ionic or primarily covalent
  5. 9. the rule that seems to drive bonding; involves the number 8
  6. 10. the principle that states that the momentum and position cannot be measured simultaneously
  7. 12. heat is given off or lost to the surroundings
  8. 14. when the pressure on a gas increases, its volume _?_
  9. 16. 0 K or -273.15 C
  10. 17. the sharing of four electrons (2 pairs)
  11. 18. type of bond created when electrons are unequally shared between two atoms
  12. 20. a relatively strong force associated with hydrogen bonded to N, O, or F
Down
  1. 1. valence shells form from a sea of delocalized electrons
  2. 4. includes hard substances like diamonds, quartz, and silicon carbide
  3. 6. PV = nRT
  4. 7. physical combinations of different substances
  5. 11. the transfer of electrons from one atom to another
  6. 13. characterized by the sharing of a pair or pairs of electrons
  7. 15. substances made from a combination of atoms chemically joined together
  8. 19. a weak force that exist between all molecules