Faculty of Science

Objectives

To emphasize the physical and chemical properties of the elements with reference to periodic trends; to cover the chemistry of the main groups (s-block, p-block and f-block) in terms of extraction (preparation), uses, physical and chemical properties.

Contents

Atomic and electronic/Periodic structure of elements; trends in physical and chemical properties of elements; The Periodic Table; Sizes of atoms and ions; ionisation energy; electron affinity; electronegativity; polarising power and metallic characte; Variable valency and oxidation states; standard electrode potential and the electrochemical series; Chemical Bonding: valence bond theory; types of bonds; Stereochemistry in the main group compounds; VSEPR model; directed valence theory model; Molecular orbital theory: linear combination of atomic orbitals (LCAO); homonuclear and heteronuclear molecules; Multicenter bonding as in diborane; dipole moments; Metallic bonds; the band theory; alloys; crystal structures; Ionic bonds; structure of ionic solids; close packed structures: face centered cubic packed, hexagonal close packed; body centred close packed; Lattice energy; Born-Haber Cycle; Hydrogen and the noble gases; Alkali and alkaline earth metals; Group 13 (IIIB) and Group 14 (IV B) elements; Group 15 (V B) and Group 16 (VI B) elements. Halogens.

Prerequisite: