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: Bohr's Atomic Model
[Free Registration/Login may be required to access all resource tools.] Explains the basic principles of the Bohr hydrogen atom.
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: 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...