Saturday, January 9, 2016

JEE Main - Core Revision Points - 6. Chemical Bonding and Molecular Structure

Importance of  Core Revision Points: Core Revision Points are important because if you remember them strongly, many more points related to them will come out of your memory and help you to answer question and problems. Read them many times and make sure you remember them very strongly.


Content of the Chapter

6.1 Causes of Chemical Combination
6.2 Lewis symbols
6.3 Octet Rule and Modes of Chemical Combination
6.4 Ionic or Electrovalent Bond
6.5 Covalent Bond
6.6 General Properties of Covalent Bond
6.7 Coordinate Covalent Bond
6.8 Formation of Ionic Bond
6.9 Lattice Enthalpy of Ionic Crystals
6.10 Born-Haber Cycle for Lattice Enthalpies
6.11 General Properties of Ionic Bonds
6.12 Geometry of Shapes of Molecules
6.13 Valence Shell Electron Pair Repulsion (VSEPR) Theory
6.14 Electronegativity – Polar and Non-Polar Character of Covalent Bonds
6.15 Valence Bond Approach of Covalent Bond
6.16 Bonding Parameters
6.17 Resonance
6.18 Directional Properties of Covalent Bonds
6.19 Metallic Bonding
6.20 Hydrogen Bonding


6.1 Causes of Chemical Combination

Except for noble gases, no other element exists as independent atom in ordinary conditions. Most of these atoms exist as molecules.

The attractive force which holds together the constituent particles (atoms, ions, or molecules) in a chemical species is known as chemical bond.

The tendency of elements to combine with one another is directly related to valency or valence of the element. Valency depends on the electronic configuration. W. Kossel and G.N.Lewis  made important contributions in the development of theories of chemical bonding.



6.2 Lewis symbols
6.3 Octet Rule and Modes of Chemical Combination
6.4 Ionic or Electrovalent Bond
6.5 Covalent Bond
6.6 General Properties of Covalent Bond
6.7 Coordinate Covalent Bond
6.8 Formation of Ionic Bond
6.9 Lattice Enthalpy of Ionic Crystals
6.10 Born-Haber Cycle for Lattice Enthalpies
6.11 General Properties of Ionic Bonds
6.12 Geometry of Shapes of Molecules
6.13 Valence Shell Electron Pair Repulsion (VSEPR) Theory
6.14 Electronegativity – Polar and Non-Polar Character of Covalent Bonds
6.15 Valence Bond Approach of Covalent Bond
6.16 Bonding Parameters
6.17 Resonance
6.18 Directional Properties of Covalent Bonds
6.19 Metallic Bonding
6.20 Hydrogen Bonding


Updated 9 Jan 2016, 21 May 2015

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