CHEM 243 Special Topics Chapter 1 Dr Violeta Jevtovic

Weekly Teaching & Assessment Plan Week(s) No Topic Course Outcome Assessment of Outcomes 1 Inter molecular Forces- Electric properties of molecules, dipole moment, polarization, Interaction between molecules, Concept of Molecular interactions in materials. , Quiz/final exam 2 Inter molecular Forces- Dipole-dipole interaction, Dipole- induced dipole interaction, Induced dipole- induced dipole interaction, Concept of electric dipole moments and polarizabilities of molecules and the properties arises there by. 3 Inter molecular Forces- Hydrogen bonding, Hydrophobic interaction, Surface tension Hydrogen bonding in materials including in biological systems and properties arises there by Quiz/mid term/final exam

Concept of symmetry elements Mid term/final exam 4 Molecular Symmetry Concept of symmetry elements Mid term/final exam 5 Molecular Symmetry-Symmetry operation Chemistry- crystal types Symmetry operation applicable to molecules Concept of Crystal lattices and Unit cells, Idea about the seven basic crystal systems 6 Chemistry crystal planes, crystal structure determination Concept of Miller indices, X- ray diffraction, Bragg’s law, 7 Chemistry-, Bonding in solids, close packing in solids, cubic and hexagonal close packing, concept of types of solids based on bonding, Metallic and ionic solids, Concept of Close packing in solids, 8 Spring Break

Polymer Chemistry-Polymers and polymerization, 9 Chemistry- imperfections and defects point defects and line defects, Electrical properties of solids Concept of Imperfections in solid,- Band theory, insulators, semi conductors p-type and n-type semiconductors and conductors, Super conductors Mid term/final exam 10 Polymer Chemistry-Polymers and polymerization, Mean molar masses, Viscosity of polymers, Classification based on origin – synthetic and natural polymers Basic concept regarding polymers, types of polymers and properties Quiz/final 11 Polymer Chemistry- classification based on mode of formation- addition and condensation polymerization, Concept of types of polymers and polymerization process Quiz/Mid term/final exam 12 Polymer Chemistry- classification based on mode of formation- Chain growth and step growth polymerization,

Bio- Inorganic Chemistry 13 Polymer Chemistry- Elastomers, Fibers, Thermoplastics and thermosetting polymers, Synthetic rubber, Synthetic fibers and Plastics, Conducting polymers Concept of commercially important polymers. Mid term/final exam 14 Bio- Inorganic Chemistry- Haemoglobin and myoglobin, structure Concept of Metal ions in biological systems, Biochemistry of iron Final Exam 15 Bio- Inorganic Chemistry Transport of oxygen and carbon dioxide, mechanism of oxygen binding, sodium- potassium pump, Biochemistry of cobalt and zinc,. Final Exam, 16 Revision -

Assessment Percentage % Due Quiz 1 5 % Week 4 Mid-term exam -1 15% Week 7/8 Quiz 2 5% Week 10 Mid-term exam-2 15 % Week 12/13 Assignments 20% Week 14 Final Exam 40% Week 17 & or 18

1. Inter molecular Forces Electric properties of molecules, dipole moment, polarization, interaction between molecules.

The bond is polar and possesses an electric dipole moment (μ).

electronegativiti

number of valence electrons corresponding to the number of groups where the element is

Octet rules

Lewis Dot structure Lewis structures (also known as Lewis dot diagrams, electron dot diagrams, "Lewis dot formulas,"Lewis dot structures, and electron dot structures) are diagrams that show the bonding betweenatoms of a molecule and the lone pairs of electrons that may exist in the molecule

Lewis Dot structure Self-study exercises

Isoelectronic molecules Self-study exercises

Polarity Self-study exercises

electric dipole moment The bond is polar and possesses an electric dipole moment (μ).

e is the charge of electron C= 1,602X10 (-19) C q is point charge d is distance

Dipole moments

Dipole moments