Properties of Bonds 1 Polarity 2 Bond Order 3 Bond Length 4 Bond Energy Electronegativity Bond Polarity Electronegativity ability of a bonded atom to attract the shared electrons towards itself Origin Orbital Energies Trends Continuum from Covalent to Ionic Bonding Bond Character Bond Order of bonds between two atoms Bond Length Bond Energy Energy to separate two bonded atoms 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 Properties inside Molecules 1 Resonance 2 Formal Charge 3 Oxidation Number 4 Partial Charge Resonance and Bond Order Resonance Structures When more than one reasonable Lewis Structure is possible Formal Charge and Oxidation Number Examples Partial Charge Lewis Structure Structural Pairs Structural Pairs bonded atoms Electron Geometry lone pairs Molecular Geometry on central atom Structural Pairs determines Electron Pair Geometry Structural Pairs determines Electron Pair Geometry Structural Pairs determines Electron Pair Geometry Molecular Geometry Electron Pair Geometry ignoring lone pairs BF3 and O3 Molecular Geometry Electron Pair Geometry ignoring lone pairs Molecular Geometry Electron Pair Geometry ignoring lone pairs Molecular Geometry Electron Pair Geometry ignoring lone pairs
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