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...
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.
Concord Consortium
The Molecular Workbench Database: Models of the Atom's Electron Orbitals
Learn about atomic structure and the multiple theories of atomic structure in this simulation.
Khan Academy
Khan Academy: Dalton's Atomic Theory
An article describing Dalton's atomic theory. Learn how this theory was the first attempt to describe a fundamental part of matter, atoms. Article also discusses where the theory is incorrect based on the knowledge we have today.
Khan Academy
Khan Academy: Dalton's Atomic Theory
Article explores the key points of Dalton's atomic theory and the laws of conservation of mass and constant composition. Which points do we still use today?
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...
CK-12 Foundation
Ck 12: The Nuclear Model of the Atom
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will distinguish between the three main subatomic particles and understand the contributions of J. J. Thomson, Robert...
Environmental Chemistry
Environmental chemistry.com: Anatomy of an Atom
Explains the basics of atomic structure, from simple definitions to information about quantum theory. Accurate and helpful basics whether or not you need the more advanced information.
BBC
Bbc: Gcse Bitesize: Atomic Structure
This lesson focuses on the structure of atoms. All substances are made from atoms. Each atom is made of a nucleus - containing protons and neutrons - surrounded by electrons. It provides a link to an assessment.
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,...
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).
Vision Learning
Visionlearning: Atomic Theory and Structure: The Mole: Its History and Use
An introduction to the mole, a unit of measurement that quantifies atoms and molecules.
CK-12 Foundation
Ck 12: Chemistry Simulation: Rutherford's Gold Foil Experiment
[Free Registration/Login Required] How can we predict an atom's structure, if we cannot see an atom? Using the Rutherford's Gold Foil Experiment, make your own model and test out the model.
TeachEngineering
Teach Engineering: Mixtures and Solutions
This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...
OpenStax
Open Stax: Andrew R. Barron: Valence Shell Electron Pair Repulsion (Vsepr) Theory
Detailed explanation of Valence Shell Electron Pair Repulsion (VSEPR) Theory with examples and questions for the reader to check comprehension. Also includes step-by-step instructions for correctly building molecules using VSEPR Theory....
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.
Science Struck
Science Struck: Plum Pudding Model
Describes J.J. Thomson's theory of atomic structure, called the 'Plum Pudding Model,' and how it was disproved by Ernest Rutherford.
Other
Particle Adventure Dutch Version
Dutch version of the well-known "Particle Adventure" physics website that teaches students about atoms, mass, particle physics, and quantum physics. The site discusses theories related to physics and provides other links related to the...
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.
Lawrence Berkeley National Laboratory
Berkeley Lab: Particle Adventure: The Standard Model
An introduction to the Standard Model, a theory which attempts to explain atomic structure using leptons, quarks, and force carrier particles.
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.
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...
Chem Tutor
Chem Tutor: Chemistry: Compounds
This instructional activity focuses on chemical compounds including Ionic and Covalent Bonds, Valences, Lewis Structures, Binary Covalent Compounds, Radicals or Polyatomic Ions, and much more. It also includes a compound worksheet in...
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."