properties of bonds 1.polarity 2.bond order 3.bond length 4.bond energy
Post on 21-Dec-2015
217 views
TRANSCRIPT
![Page 1: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/1.jpg)
Properties of Bonds
1.Polarity2.Bond Order3.Bond Length4.Bond Energy
![Page 2: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/2.jpg)
Electronegativity Bond Polarity
Electronegativity: ability of a bonded atom to attract the shared electrons towards itself
Origin: Orbital Energies
Trends:
![Page 3: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/3.jpg)
Continuum from Covalent to Ionic Bonding: Bond Character
![Page 4: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/4.jpg)
Bond Order: # of bonds between two atoms
![Page 5: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/5.jpg)
Bond Length
![Page 6: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/6.jpg)
Bond Energy: Energy to separate two bonded atoms
![Page 7: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/7.jpg)
Bond Energy in Ionic Compounds: Lattice Energy
Energy to separate all the ions
NaCl(s) Na+(g) + Cl-(g) H = Lattice E = -790 kJ/mol
![Page 8: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/8.jpg)
Properties inside Molecules
1.Resonance2.Formal Charge3.Oxidation Number4.Partial Charge
![Page 9: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/9.jpg)
Resonance and Bond Order
![Page 10: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/10.jpg)
Resonance Structures:
When more than one reasonable Lewis Structure is possible
![Page 11: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/11.jpg)
![Page 12: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/12.jpg)
![Page 13: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/13.jpg)
Formal Charge and Oxidation Number Examples
![Page 14: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/14.jpg)
Partial Charge
![Page 15: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/15.jpg)
Lewis # Structural Electron Molecular Structure Pairs Geometry Geometry
# Structural Pairs = # bonded + # lone on central atom atoms pairs
![Page 16: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/16.jpg)
# Structural Pairs determines Electron Pair Geometry
![Page 17: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/17.jpg)
# Structural Pairs determines Electron Pair Geometry
![Page 18: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/18.jpg)
# Structural Pairs determines Electron Pair Geometry
![Page 19: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/19.jpg)
Molecular Geometry = Electron Pair Geometry, ignoring lone pairs
BF3 and O3
![Page 20: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/20.jpg)
Molecular Geometry = Electron Pair Geometry, ignoring lone pairs
![Page 21: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/21.jpg)
Molecular Geometry = Electron Pair Geometry, ignoring lone pairs
![Page 22: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/22.jpg)
![Page 23: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/23.jpg)
Molecular Geometry = Electron Pair Geometry, ignoring lone pairs
![Page 24: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/24.jpg)
![Page 25: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/25.jpg)
![Page 26: Properties of Bonds 1.Polarity 2.Bond Order 3.Bond Length 4.Bond Energy](https://reader030.vdocuments.us/reader030/viewer/2022032704/56649d615503460f94a42a5c/html5/thumbnails/26.jpg)