Chem4kids
Chem4 Kids: Atoms
This site provides a detailed overview of atoms. Content explores an atom's structure, as well as what ions are, how atoms bond, what compounds are (including how to name compounds), and what isotopes are.
Simon Fraser University
Chem1 Virtual Textbook: Atoms and the Periodic Table
As part of the General Chemistry Virtual Textbook, this site examines a list of related topics (in hyperlink format) on the atom and the Periodic Table of elements. Topics from light, particles, and waves to the Bohr model, quantum...
CK-12 Foundation
Ck 12: Structure of the Atom
[Free Registration/Login may be required to access all resource tools.] Students learn about the important discoveries of subatomic particles, and how they led to our current understanding of the atom.
Famous Scientists
Famous Scientists: Aage Bohr
Learn about the life of Aage Niels Bohr, and see how his work was pivotal in the development of the theory of the structure of the atomic nucleus.
Nobel Media AB
The Nobel Prize: Niels Bohr Nobel Lecture: The Structure of the Atom
At this site from the Nobel e-Museum you can download and read Niels Bohr's Nobel Lecture, "The structure of the atom" (available in pdf format).
Khan Academy
Khan Academy: Bohr's Model of Hydrogen
Resource investigates how Bohr's model of hydrogen explains atomic emission spectra.
Nobel Media AB
The Nobel Prize: Niels Bohr Biographical
The Nobel Foundation provides this site about Niels Bohr's contributions to the world of physics, specifically his "investigation of the structure of atoms and of the radiation emanating from them." This biography includes information on...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Models of the Hydrogen Atom
How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.
Tom Richey
Slide Share: Atomic Structure
Slideshow looking at the history of models of the atom, including those proposed by John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick. Discusses subatomic particles, including the numbers of protons, neutrons,...
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Atomic Structure and Periodicity
This chemistry e-textbook provides students with AP-level reading and practice material on atomic structure and periodicity.
Science Struck
Science Struck: The Structure of an Atom: A Labeled Diagram
Looks at the scientists who developed the model of the atom by building on previous scientists' discoveries about its structure.
Other
Erik's Chemistry Page: Electronic Structure of Atoms
A description of quantum theory, the Bohr model of the atom, the quantum mechanical atom, the Scrodinger equation, and quantum numbers.
CK-12 Foundation
Ck 12: Atomic Theory
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will explain the law of conservation of mass, the law of definite proportions, and the law of multiple proportions. They will also...
PBS
Pbs: Planck Discovers the Quantum Nature of Energy
PBS offers a short summary of the discovery of the quantum nature of the atom by Max Planck. Easy to follow.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1910 1929
Scientists' understanding of the structure of the atom and of its component particles grows, the phone and radio become common, and the modern television is born.
Nobel Media AB
The Nobel Prize: Nobel Prize in Physics 1922 Presentation Speech
This Nobel Foundation site provides the "Presentation Speech by Professor S.A. Arrhenius, Chairman of the Nobel Committee for Physics of the Royal Swedish Academy of Sciences, on December 10, 1922."
Khan Academy
Khan Academy: Electromagnetic Waves: The Electromagnetic Spectrum and Photons
An article that discusses the coupling of an electric field with a magnetic field to create electromagnetic waves. Article also discusses how different types of electromagnetic waves have different wavelengths which forms the...
Khan Academy
Khan Academy: Spectroscopy: Interaction of Light and Matter
Tutorial provides a discussion of UV-Vis spectroscopy, infrared (IR) spectroscopy, and the Beer-Lambert law.
Khan Academy
Khan Academy: Photoelectric Effect
Article explains the experiments on the photoelectric effect and how these experiments led to the idea of light behaving as a particle of energy called a photon.