Simon Fraser University
Chem1 Virtual Textbook: Bohr's Theory
Acting as part of an overview on quantum theory, this section of the site answers the question, "How did Bohr's theory save the planetary model, for a while?" A section below also discusses the primary problems with Bohr's theory.
Simon Fraser University
Chem1 Virtual Textbook: Bohr's Model
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses Niels Bohr and his work with the atom. This part of the discussion, focusing on the model itself, brings up...
Simon Fraser University
Chem1 Virtual Textbook: Spectrum of the Hydrogen Atom
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the hydrogen atom and its relation to spectrum. Included in the discussion is information on the Bohr model...
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.
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: The Bohr Model of the Atom
[Free Registration/Login may be required to access all resource tools.] Students will learn about the history of atomic theory, and the development of the Bohr model of the atom. Includes a simulation for exploring the Bohr Model.
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.
Sophia Learning
Sophia: Valence Electrons
During this exercise, practice finding the number of valence electrons in an element. [1:22]
University of Colorado
University of Colorado: Physics 2000: Bohr's Atom
An outstanding site that can best be described as student friendly. It describes the main differences between the classical and quantum models of the atom. Clear and well illustrated.
Walter Fendt
Walter Fendt: Bohr's Theory of the Hydrogen Atom
An explanation of Niels Bohr's (1885 - 1962 CE) Model along with an app that illustrates a hydrogen atom according to the particle or wave model. You can choose a principal quantum number "n." The right part of the graphic represents the...
CK-12 Foundation
Ck 12: Plix: Energy Levels: Bohr's Atomic Model
[Free Registration/Login Required] In this interactive you will excite an electron by dragging it into a higher orbital and use the table to see what wavelength of electromagnetic radiation is emitted when it returns to its lowest orbit....
CK-12 Foundation
Ck 12: Plix: Bohr's Atomic Model
[Free Registration/Login Required] Shown here are representations of three different models of the atom. Move the name labels to correctly title each of the models with the scientist who created them.
CK-12 Foundation
Ck 12: Physics Simulation: Atomic Colors
[Free Registration/Login Required] Explore the Bohr model of atoms by studying the absorption and emission of light from simple gases in the context of starlight using this interactive simulation. A PDF worksheet and a video tutorial are...
CK-12 Foundation
Ck 12: The Bohr and Quantum Models of the Atom
[Free Registration/Login may be required to access all resource tools.] Students explore how the study of the hydrogen emission spectrum led to the Bohr model of the atom, in which electrons exist in states of constant energy.
Khan Academy
Khan Academy: Bohr's Model of Hydrogen
How Bohr's model of hydrogen explains atomic emission spectra.
Concord Consortium
Concord Consortium: What Are Nature's Building Blocks?
Activity 4 What are the electrons? This question is answered in the context of Niels Bohr's model and the probability model of atomic structure.
Simon Fraser University
Chem1 Virtual Textbook: Emission and Absorption Spectra
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site specifically discusses emission and absorption spectra in relation to the Bohr model.
Other
Fact index.com: Balmer Series
Fact-Index.com offers a brief dictionary definition of the Balmer series, including hyperlinked terms.
Other
Fact index.com: Paschen Series
Fact-Index.com offers a dictionary definition of the Paschen series, including hyperlinked terms.
ClassFlow
Class Flow: Element Math
[Free Registration/Login Required] In this flipchart students determine the number of protons, neutrons, and electrons of elements essential to life. They use Activotes to check knowledge gained. Students create a Bohr Model.
Science Struck
Science Struck: Ground State vs. Excited State of an Atom
Explains what Bohr's model of the atom is, the characteristics of the ground and excited states of an atom, and the electron configuration for each in the example of Phosphorus.