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Queen's University
CHEM 112

Unit 1- Atoms ◦ Explain properties of electromagnetic radiation and perform related calculations ◦ Calculate properties related to the photoelectric effect ◦ Describe the Bohr model of hydrogen and use the associated equations to predict atomic spectra ◦ Explain de Broglie waves and use associated equations ◦ Explain standing waves and associated properties ◦ Determine allowed sets of quantum numbers and use them to define atomic orbitals ◦ Identify orbital shapes ◦ Assign electron configurations in atoms using the aufbau principle ◦ Predict periodic trends in the properties of atoms Explain connections between electron structure and absorption/emission spectra Unit 2- Chemical Bonding ◦ Draw Lewis symbols for atoms ◦ Define ionic, covalent, and polar covalent bonding ◦ Construct and use the expanded valence table ◦ Draw Lewis structures for molecules, including the placement of atoms, multiple bonds, lone pairs and formal charges ◦ Draw and identify relevant resonance structures ◦ Describe the basis for the formation of bonds between atoms through overlap of atomic orbitals ◦ Identify molecular orbitals of first and second row diatomic molecules Identify bonding, anti-bonding, σ and π orbitals Unit 3- Molecular Shapes ◦ Determine electron group geometries and molecular geometries from Lewis structures ◦ Predict the effects of lone pairs on molecular geometries ◦ Connect symmetry in molecular geometries to dipole moments ◦ Indicate shape when drawing molecules Explain bonding that yields specific molecular geometries using hybrid atomic orbitals Unit 4- Polymers ◦ Recognize polymeric structures and the monomer composition ◦ Describe two methods for synthesizing polymers; chain-reaction polymerization and condensation or step- reaction polymerization ◦ Explain the following stereochemical terms for polymers: atactic, isotactic, and syndiotactic ◦ Rationalize the properties of a polymer based on its structure: monomer composition, functional groups, covalent and non-covalent interactions ◦ Define cross-linking and its structural ramifications Describe the structures and properties of the following biopolymers: polysaccharides and oligonucleotides (DNA) Unit 5- Proteins ◦ Identify and name the 20 major amino acids. ◦ Categorize the amino acids according to their properties (basic, neutral, acidic). ◦ Understand the pH behaviour of amino acids and identify zwitterions. ◦ Describe the stereochemistry of an amino acid using a Fischer proj
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