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CHEMICAL BONDS The electrons that participated in this bonding are…

- - - - Ionic bond
      - Non-polar covalent bond
      - Polar covalent bond
  - - - Ion-Dipole Forces
        
        Force of attraction between an ion and a polar molecule
        Picture?
      - Dipole-dipole force
        
        attractions between opposite charges in polar molecules. Picture?
      - Hydrogen bonding ( a special type of dipole-dipole force)
        
        A strong type of dipole-dipole attraction that occurs in one of these types of bonds: H-N, H-O,H-F. Picture?
        
        Why this bonding was special?
      - London dispersion force (induced dipole-induced dipole force)
        
        occurs between all molecules, but especially important in non-polar molecules because it is the only intermolecular force available for them
        
        Example: (I2,H2,CH4,CH3CH2CH3) and noble gas like He, Ne, and Ar in very cold temperature.
        
        Picture
- - - - An ionic bond is electrostatic force of attraction between positive ion (cation) and negative ion ( anion) in an ionic compound
      - Ionic compound is made up of two oppositely charged ions (positive ion and negative ion) that held together through the transfer of electrons
    - - The covalent bond is the sharing of one or more pairs of electrons by the bonded atoms in which each atom obtain octet confuguration
      - Types of covalent bond. Picture?
        
        Single bond
        
        Sharing of a pair of electrons by two atoms
        
        Made up of a stigma bond
        
        Double bond
        
        Sharing of two pairs of electrons by two atoms
        
        Made up of a sigma bond and a pi bond
        
        Triple bond
        
        Sharing of three pairs of electrons by two atoms
        
        Made up of a stigma bond and two pi bond
      - Bond Polarity. Picture?
        
        Non-polar
        
        The distribution of electron density between the two bonded atoms is symmetrical
        
        If the molecule made up of two atoms of same elements (similar electronegativity)
        
        Polar
        
        If the molecule made up of two atoms of different elements (different electronegativity)
        
        The distribution of electron density between two bonded atoms is symmetrical
      - Lengths of Covalent Bonds. Picture?