Date

- Wednesday, October 21st

Quantum Theory – Skillz

- Calculate the wavelength of electromagnetic radiation given its frequency or its frequency given its wavelength.
- Explain what photons are and be able to calculate their energies given either their frequency or wavelength.
- Explain how line spectra relate to the idea of quantized energy states of electrons in atoms.
- Explain how the uncertainty principle limits how precisely we can specify the position and the momentum of subatomic particles such as

electrons. - Relate the quantum numbers to the number and type of orbitals and recognize the different orbital shapes.
- Draw an energy-level diagram for the orbitals in a many-electron atom and describe how electrons populate the orbitals in the ground state

of an atom, using the Pauli exclusion principle and Hund’s rule. - Use the periodic table to write condensed electron configurations and determine the number of unpaired electrons in an atom. (Section 6.9)Homework

Practice (Chapter 6)

- 18, 23, 28, 37, 56, 70 (full + orbital diagrams)

Homework

- Complete the work for homework (on paper)
- Note – show supporting work for all questions

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