Matter is Made of Atoms! Seed of the Second (Last) Great Revolution of Modern Physics

11/12/03


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Table of Contents

Matter is Made of Atoms! Seed of the Second (Last) Great Revolution of Modern Physics

Announcements

Timeline - Modern Physics

General Comment

The Appeal of Atomism

Modern Atomism

The Atoms according to Chemistry

Atoms in Physics: The Mechanical Theory of Heat

Summary near end of 1800’s

Important Discovery

Are Atoms Indivisible?

Discovery of the Electron

Cathode Rays: What are they?

Electrons: Fundamental Units of Matter

Atomic Models

Atomic Models

Demonstration

Geiger Marsden (Rutherford) Experiment - 1911

Nature of Atoms

Summary

Author: R. M. Martin

Email: rmartin@uiuc.edu

Home Page: http://online.physics.uiuc.edu/courses/phys150/fall03/index.html