Chemistry Ch 7+8

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Henri93
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253360
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Chemistry Ch 7+8
Updated:
2013-12-15 19:02:32
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Chemistry
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Chemistry Ch 7+8
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  1. how many valence electrons are in an atom of magnesium
    2
  2. how many valence electrons are in an atom of silicon
    4
  3. how does calcium obey the octet rule when reacting to form compounds
    it gives up electrons
  4. The octet rule states that, in chemical componds, atoms tend to have
    the electron config of a noble gas
  5. how many electrons does silver have to give up in order to achieve a pseudo-noble-gas config
    1
  6. how many electrons does barium have to give up in order to achieve a noble-gas config
    2
  7. What is the formula of the ion formed when potassium achieves noble gas config
    K+
  8. What is the formula of the ion formed when tin achieves noble gas config
    Sn4+
  9. What is the formula of the ion formed when cadium achieves noble gas config
    Cd2+
  10. The electron config of florine ion, F-
    is the same as neon
  11. the electron config of the oxide ion, O2-
    1s22s22p6
  12. the electron config of iodine ion ends with
    5p6
  13. what occurs in an ionic bond
    oppositely charged ions attract
  14. what is the net charge of calcium fluoride
    0
  15. How many valence electrons are transfered from the calcium atom to iodine in the formation of the compound calcium iodine
    2
  16. what is most likely to form a ionic compound
    magnesium and fluorine
  17. potassium chloride has
    high melting point
  18. which element does not have a diatomic molecule
    Ne
  19. How do atoms achieve noble-gas electron config in single covalent bonds
    two atoms share two electrons
  20. a molecule with a single covalent bond is
    Cl2
  21. A bond that is not symmetrical along the axis between two atomic nuclei is
    pi bond
  22. the side by side overlap of p orbitals produces what kind of bond
    pi bond
  23. According to VSEPR theory, molecules adjust their shape to keep _______ as far apart as possible
    pairs of valence electrons
  24. methane molecule what shape
    tetrahedral
  25. orbital hybridization theory concerns both
    molecular shape and molecular bonding
  26. a bond between a silicon and an oxygen is
    polar covalent
  27. what causes dispersion forces
    motion of electrons
  28. which force of molecular attraction is the weakest
    dispersion
  29. what causes dipole interactions
    attraction between polar molecules
  30. what causes hydrogen bonding
    bonding of a covalently bonded hydrogen atom with an unshared electron pair

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