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.
CK-12 Foundation
Ck 12: Chemistry Simulation: Neon Lights
[Free Registration/Login Required] Neon lights are a type of discharge tube. Observe how electrons create colored light in a hydrogen gas discharge tube. Can you figure out why hydrogen's emission spectrum contains more than one color of...
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.
Other
Crocodile Clips: Absorb Chemistry: History of the Atom
A tutorial that presents models of the atom proposed by John Dalton, J.J. Thomson, Ernest Rutherford, and Niels Bohr. Each is supported by an animated illustration. Includes comprehension questions and a quiz at the end.
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.
Curated OER
[Bohr Model of Scandium]
This site provides general information, information on the atomic structure, facts, and other infomration on scandium.
Curated OER
[Bohr Model of Lithium]
This site provides information about the element of Lithium (Li), and includes its atomic structure, isotopes, and other information.
Other
Chemical Element: Periodic Table: Gadolinium
Basic properties of the element Gadolinium Includes Bohr model.
Lawrence Berkeley National Laboratory
Berkeley Lab: The Atom
Presented is an overview of atomic theory concentrating on the experiments of Ernest Rutherford.
CK-12 Foundation
Ck 12: Flex Book Textbooks: Chemistry Second Edition
[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Chemistry concepts.
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.
Davidson College
Davidson College: Effective Nuclear Charge
Explains what Slater rules are and presents exercises for exploring how they are used to estimate the effective nuclear charge and how well they work compared to the Bohr model expression for orbital sizes. Requires Java.
Friesian School
Proceedings of the Friesian School/the Quantacized Atom
A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...
Curated OER
[Bohr Model of Samarium]
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Curated OER
[Bohr Model of Scandium]
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Curated OER
[Bohr Model of Silver]
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Curated OER
[Bohr Model of Sodium]
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Curated OER
[Bohr Model of Cadmium]
This site provides information about the element Cadmium (Cd), and includes its atomic structure, isotopes, and other facts.
Curated OER
[Bohr Model of Calcium]
This site provides information about the element Calcium (Ca), and includes its atomic structure, isotopes, and other facts.
Curated OER
[Bohr Model of Californium]
This site provides information about the element Californium (Cf), and includes its atomic structure, isotopes, and other facts.
Curated OER
[Bohr Model of Cerium]
This site provides information about the element Cerium (Ce), and includes its atomic structure, isotopes, and other facts.
Curated OER
[Bohr Model of Cesium]
This site provides information about the element Cesium (Cs), and includes its atomic structure, isotopes, and other facts.
Curated OER
[Bohr Model of Cobalt]
This site provides information about the element Cobalt (Co), and includes its atomic structure, isotopes, and other facts.
Curated OER
[Bohr Model of Curium]
This site provides information about the element Curium (Cm), including its atomic structure, isotopes, and other facts.