2.1 Need to classify elements

2.2 Genesis of periodic classification.

2.3 Modern periodic law and present form of

    the periodic table.

2.4 Nomenclature of elements with atomic number greater

    than100

2.5 Electronic configuration of elements and the periodic

    table

2.6 Electronic configuration and types of elements

    s,p,d.and f blocks.

2.7.1 Trends in physical properties:

    (a) Atomic radius

    (b) Ionic radius

    (c) Variation of size in inner transition elements.

    (d) Ionization enthalpy.

    (e) Electron gain enthalpy

    (f) Electro negativity.

2.7.2 Periodic trends in chemical properties:

    (a) Valence or Oxidation states.

    (b) Anomalous properties of second period elements –

        diagonal relationship.

2.7.3 Periodic trends and chemical reactivity