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Day 3. Agenda Discuss bond angles Review hybridization Work on determining orbitals involved in bonding Write Results for qualitative analysis lab. Effect Bond Angles p399. Lone pairs Require more space Reduce bond angle Double/triple bonds

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day 3
Day 3

Agenda

  • Discuss bond angles
  • Review hybridization
  • Work on determining orbitals involved in bonding
  • Write Results for qualitative analysis lab
effect bond angles p399
Effect Bond Angles p399
  • Lone pairs
    • Require more space
    • Reduce bond angle
  • Double/triple bonds
    • Require more space, therefore reduce bond angle
  • Highly electronegative elements
    • Draw e- towards self, increasing bond angle
mgcl 2
MgCl2
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
slide4
SO2
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
h 2 s
H2S
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
xef 2
XeF2
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
slide7
BF3
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
slide8
NF3
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
clf 3
ClF3
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
slide10
SF4
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
slide11
CF4
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
xef 4
XeF4
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
slide13
PF5
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
slide14
IF5
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • hybridization
slide15
SF6
  • Number of bonds
  • Geometry
  • Bond angle
  • Dipole moment
  • Hybridization
orbital shapes
Orbital Shapes
  • “Flower”
  • Spherical
  • Dumb bell
  • Parabolic
valence bond theory
Valence Bond Theory
  • Explains the covalent bond by quantum mechanics
    • Orbitals overlap – gives strength to bond
    • No more than 2 electrons in both orbits
  • Hybridization
    • Energy level between s and p
qualitative analysis lab report
Qualitative Analysis Lab Report
  • You’re on your own this time!
  • Intro – quality – (qualitative)
    • FLOW
  • M & M – in your own words
    • Past tense of what you did with mishaps
  • Results – may be the same between partners
    • Preferable
  • Conclusions – on your own