Mrs. Knepper's Chemistry Page
Unit 2: Atomic Structure

Unit 2 Sequence- Atomic Structure, Quantum mechanics, and periodic trends

Vocabulary Terms to Know:  Group, Period, Representative element, Alkali Metal, Alkaline Earth Metal, Halogen, Noble Gas, Transition Metal, Inner Transition Metal, Metal, Nonmetal, Metalloid, ion, cation, anion, atomic mass unit, atomic mass ,  energy level, atomic orbital, energy sublevel, electron configuration, Aufbau Principle, Pauli Exclusion Principle, Hund’s Rule, wavelength, frequency, hertz, Electromagnetic radiation, atomic emission spectrum, Planck’s constant, valence electrons, electron dot structure,  periodic law, atomic radius, ionization energy, electron affinity, electronegativity

  1. Periodic table organization, ions, and Atomic Mass
  1. Electromagnetic Radiation, wavelength and frequency
  1. Lab- Flame Tests
  1. Electron configurations and orbital diagrams
  1. Quantum numbers
  1. Quiz- Energy, Electron Configuration and Quantum numbers
  1. Valence Electrons, Electron Dot Structures and ions
  1. Periodic Trends
  • Homework: 186, #38, 40, 41, 44, 45, 47
  • Reading: Section 6.3, pp. 174-182
  • Additional practice problems: Periodicity Worksheet
  1. Rate of Chemical Reactions Lab
  1. Test Review Sheets and Review Problems on Atomic structure and quantum mechanics test2.rev.2018.docx
    test2.reviewprobs.docx  Unit 2 review.answers0001.pdf
  1. Test on Atomic structure and Quantum mechanics
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