Concord Consortium
Deformed Electron Cloud
Dispel the misconception that atoms are always little round balls! Illustrate changes in the electron cloud with an entertaining interactive. Pupils push and pull on the cloud by altering the charge on plates located on either side of...
Scholastic
Study Jams! Atoms: Protons, Neutrons, Electrons
What's smaller than a kiwi seed? Atoms! Basic atomic structure is detailed for beginning chemists in a light-hearted animation. Protons and neutrons are explained as part of the nucleus, and so are electrons that encircle the nucleus....
Concord Consortium
Sticking a Balloon to a Wall
This is one sticky situation! Science sleuths uncover the mystery behind a balloon that appears to be stuck to a wall using an interactive. Learners observe a neutrally charged wall before they manipulate the charge on a balloon. Atom...
Curated OER
Why Do Atoms Combine?
For this atom worksheet, students will complete 8 fill in the blank statements based on the different parts of an atom. Then students will explain how the arrangement of electrons in an atom is related to the periodic table.
Curated OER
Understanding the Rutherford Model
In this Rutherford model worksheet, learners read about Rutherford's experiment with gold foil and alpha particles which led to the discovery of subatomic particles. Students answer six analysis questions about the experiment and...
PHET
Build an Atom
Scholars build specific elements by creating a model of its atomic structure. Objects they can include are protons, nuetrons, electrons, orbits, clouds, charge, and mass number. Simulation ends with questions to challenge individuals'...
Curated OER
The Bohr-Rutherford Model of the Atom
In this atom model learning exercise, students explore how scientists developed the Bohr-Rutherford atom model. Students complete 15 fill in the blank statements.
Mr. E. Science
Atoms and Bonding
I don't trust atoms because they make up everything. Budding scientists learn about famous scientists connected to atomic models, chemical, ionic, and hydrogen bonds. The presentation also presents how to count atoms...
Curated OER
Advanced Paragraph Correction #8
In this paragraph correction worksheet, students read an 8 line passage. Then students respond to 8 multiple choice questions regarding grammar, punctuation, and spelling errors within the paragraph.
CK-12 Foundation
Ck 12: Physical Science: Electron Cloud Atomic Model
[Free Registration/Login may be required to access all resource tools.] Features the electron cloud atomic model and atomic orbitals.
Science Struck
Science Struck: Electron Cloud Theory Explained
Explains the Uncertainty Principle, wave-particle duality, what the electron cloud model is, and how it came about as a result of the Schrodinger equation for Hydrogen.
Science Struck
Science Struck: Electron Cloud Model
Explains what the electron model is and the scientists who contributed to its development.
Concord Consortium
Concord Consortium: Molecular Workbench: Electrons in Atoms and Molecules
A model that explores why electrons are so important in chemistry. Investigate electron clouds, what happens when two atoms come together, and chemical polarity.
Other
Socratic: What Are the 6 Models of the Atom?
Brief explanation of six major models of the atom along with illustrations. Covers the Greek model (Democritus), John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and the modern electron cloud or quantum mechanics model.
Tom Richey
Slide Share: Atomic Models: Everything You Need to Know
A detailed slideshow for Grade 8 students that looks at the history of our understanding of atoms. Looks at the ideas presented by Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, and Niels Bohr, and the modern-day wave model. A...
Concord Consortium
Concord Consortium: Structure of an Atom
Observe the probable location of electrons around an atom. Trace the electrons over time to draw conclusions about where electrons are likely to be found around an atom's nucleus. How does the trace pattern relate to the electron cloud...
CK-12 Foundation
Ck 12: Modern Atomic Theory
[Free Registration/Login may be required to access all resource tools.] Rutherford's model of the atom was better than earlier models. But it wasn't the last word. Danish physicist Niels Bohr created a more accurate and useful model....
Purdue University
Purdue University: Orbital Shells
This site from the Purdue University provides an overview of atomic orbitals and how quantum numbers specify these orbitals. Includes a model that can be rotated and examined in 3D. Includes learning exercises and answers.
CK-12 Foundation
Ck 12: Modern Atomic Theory
[Free Registration/Login may be required to access all resource tools.] Rutherford's model of the atom was better than earlier models. But it wasn't the last word. Danish physicist Niels Bohr created a more accurate and useful model....
University of Waterloo (Canada)
University of Waterloo: Vsepr Models
The University of Waterloo provides background in pair repulsion and confidence building questions. Try this one once you think you know what you are doing!