Unit 1 Cards Chem 1C

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Author:
Trekofstarsx
ID:
289915
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Unit 1 Cards Chem 1C
Updated:
2014-11-23 20:36:13
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Chem 1C
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Chem 1C Unit 1
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  1. What type of bonding Lewis Structure?
    Covalent
  2. Double bonds formed by which 5
    CNOPS
  3. Lone pairs are what active?
    Stereochemically (don't contribute but take up space)
  4. Formal Charge Formula
    Group- [electrons in lone pairs+1/2 bonding electrons]
  5. Resonance Structures minimize

    Energy of resonance structure is
    formal charges

    lower
  6. 3 exceptions to octet rule
    B, Be, H
  7. What happens to bond angles as you increase lone pairs
    Compress
  8. Do lone pairs or bonded electrons require more space?
    lone pairs
  9. What do electrons do
    repel eachother
  10. What do bonds and lone pairs do
    Move as far away from eachother as possible
  11. Steric Number
    All lone pairs and atoms that are connected to the central atom
  12. 2;0
    linear, 180
  13. 2;1
    Bent, slightly less than 120
  14. 2;2
    v-shaped, 104.5
  15. 2;3
    Linear, 180
  16. 3;0
    trigonal planar, 120
  17. 3;1
    trigonal pyramidal, 107.5
  18. 3;2
    T-shaped, approximately 90
  19. 4;0
    tetrahedral, 109.5
  20. 4;1
    seesaw, complex
  21. 4;2
    square planar, 90
  22. 5;0
    Trigonal bipyramidal, 120 in plane, 90 perpendicular to plane
  23. 5;1
    Square pyramidal, approx. 90
  24. 6;0
    Octahedral, 90
  25. Nonpolar molecules have
    No lone pairs, all same surrounding atoms with same bond type, no net dipole

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