5.111SC | Fall 2014 | Undergraduate

Principles of Chemical Science

Unit I: The Atom

Lecture 2: Atomic Structure

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Image excerpted from Lecture 2 Notes 

  1. Discovery of the Electron and the Nucleus
  2. The Need for Quantum Mechanics

Lecture Video

The backscattering experiment of Rutherford is recreated in the classroom setting. Ping pong balls are used to represent alpha particles and Styrofoam balls connected to a series of strings represent nuclei in a piece of gold foil.

Lecture Notes

Notes for Lecture 2 (PDF)

Clicker Questions

Lecture 2 Clicker Questions (PDF)

Textbook Reading

Force and Energy Sections A.2–A.3: pp. F9–13 Sections A.2–A.3: pp. F10–13
Elements and Atoms Sections B.1–B.2: pp. F15–17 Sections B.1–B.2: pp. F15–18
The Nuclear Atom Section 1.1: pp. 1–3 Section 1.1: pp. 1–3

Problems and Solutions

Problems for Lecture 2 (PDF)

Solutions for Lecture 2 (PDF)

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Course Info

As Taught In
Fall 2014
Learning Resource Types
theaters Lecture Videos
notes Lecture Notes
assignment_turned_in Problem Sets with Solutions
grading Exams with Solutions
theaters Other Video
co_present Instructor Insights