2: Quantum Theory and Electronic Structure of Atoms
Key Topics for TRU students taking CHEM1500
- classical to quantum theory
- the photoelectric effect
- Bohr’s model of the atom
- dual nature of the electron
- quantum mechanics
- quantum numbers
- atomic orbitals
- electron configuration
- the building up (Aufbau) principle
Key Learning Outcomes (Examples)
- describe the major historical developments that led up to the modern periodic table and the quantum physical understanding of the atom
- calculate wavelength, frequency and energy of a photon and the energy changes of an electron within a H atom
- explain Bohr’s theory of the hydrogen atom structure and its relationship to the atomic spectrum of hydrogen
- relate energy changes of an electron within a H atom to specific regions in the electromagnetic spectrum
- describe and explain the electronic structure of the atom based on the concept of atomic orbitals
- perform calculations using the De Broglie relationship and explain the significance of the answers
- use the quantum number rules to determine the allowable values of quantum numbers and hence relate these to the arrangement of electrons in atoms
