The atom and the Bohr theory of its structure
Original Title: “Bohr’s Atomteori, almenfatteligt fremstillet”
Translated from the Danish by R. B. Lindsay, Fellow of the American-Scandinavian Foundation , 1923, and Rachel T. Lindsay
THE ATOM AND THE BOHR THEORY OF ITS STRUCTURE
An Elementary Presentation
H. A. KRAMERS
LECTURER AT THE INSTITUTE OF THEORETICAL PHYSICS IN THE UNIVERSITY OF COPENHAGEN
AND
HELGE HOLST
LIBRARIAN AT THE ROYAL TECHNICAL COLLEGE OF COPENHAGEN
WITH A FOREWORD BY
SIR ERNEST RUTHERFORD, F.R.S.
NEW YORK ALFRED A. KNOPF 1923
Helge Holst
Hendrik Anthony Kramers
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PREFACE
FOREWORD
Introduction.
The Atomic Theory and Chemistry.
The Molecular Theory of Physics.
The Wave Theory of Light.
The Dispersion of Light.
Spectral Lines.
Early Theories and Laws of Electricity.
Electrolysis.
Vacuum Tube Phenomena.
The Nature of Electricity.
The Electron Theory.
Ionization by X-rays and Rays from Radium. Radioactivity.
Introduction.
Rutherford’s Atom Model.
The Nuclear Charge; Atomic Number; Atomic Weight.
The Structure of the Nucleus.
Transformation of Elements and Liberation of Atomic Energy.
The Nuclear Atom and Electrodynamics.
The Quantum Theory.
Main Outlines of the Bohr Theory.
The False Hydrogen Spectrum.
The Introduction of more than one Quantum Number.
Influence of Magnetic and Electric Fields on the Hydrogen Lines.
Introduction.
Different Emission Spectra.
Electron Collisions.
Absorption.
Introduction.
The Combination of Atoms into Molecules.
The Periodic System.
