Chemical Bonding and Molecular Structure


The force which binds atoms together in a molecule is called a chemical bond. Bond formation is always an energy releasing process i.e., an exothermic process. It is shown in the graph below:

Figure 2.1

A + B are isolated atoms

A − B is molecule formed from A and B

r0 is bond length in A − B

E is bond energy

Different types of chemical bonds

  1. Strong bonds
    1. Ionic (or Electrovalent) bond
    2. Covalent bond
    3. Coordinate covalent bond.
  2. Metallic bond

    Metallic bond strength ranges from very weak (in alkali metals) to very strong (in transition metals.).


  3. In addition to ...

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