The periodic table; historical development, trends across periods and groups, trends of compounds and elements, classification of the elements, diagonal relationships and general physical and chemical properties; Atomic structure and bonding; electronic nature of atoms, electron arrangement, mass spectrometer; electronic configuration; spectra of hydrogen and hydrogen-like atoms; Bohr’s theory and Schrodinger wave equation and deduction of s, p, d and f orbitals; hybridization of atomic orbitals, shapes, bonding and molecular structure of simple inorganic compounds. Chemical bonding; types of bonding: covalent, ionic, metallic, molecular, van der Waals, hydrogen bonding; electronegativity, electron affinity, ionization energy, ionic character and their effects on bonds and physical and chemical properties; bond lengths, bond energy, ionic solids and ionic structures, Valence bond theory, molecular orbital theory and VSEPR theory