By the end of this course, you will be able to:

• Describe the Thomson’s atomic model, Rutherford’s atomic model and Bohr’s atomic model
• Outline Dalton’s atomic theory and Modern atomic theory
• Define the terms atomic number, mass number, isotopes, isobars, isotones, orbital, valence electrons and valency
• Discuss the principal quantum number, azimuthal quantum number, magnetic quantum number and spin quantum number
• Identify the shapes of s orbital, p orbital and d orbital
• Describe rules for filling electrons in orbitals, i.e. the Aufbau principle, Pauli’s exclusion principle & Hund’s rule
• Explain and illustrate the electronic configuration of atoms

By the end of this course, you will be able to:

• Discuss Johann Dobereiner’s classification and A.E.B. de Chancourtois classification
• Explain Newlands classification and Lothar Meyer’s classification
• List the merits and demerits of Mendeleev’s classification
• Summarize the modern periodic law and long form of periodic table
• Recall the characteristics and properties of s, p, d and f - block elements
• Distinguish covalent radius, metallic radius and Van der Waal’s radius
• Paraphrase the periodic trends in atomic radii and ionic radii of elements
• Recognize the factors affecting ionization enthalpy and electron gain enthalpy
• Outline the periodic trends in ionization enthalpy and electron gain enthalpy of elements
• Describe the variation of electronegativity and valence in periods and groups