Thomas Jefferson National Accelerator Facility
Jefferson Lab: All About Atoms
The three basic particles that make up atoms are defined and illustrated.
TeachEngineering
Teach Engineering: Gumdrop Atoms
In this activity, students make a model of a lithium atom using gumdrops and toothpicks. Using this model, they investigate the makeup of an atom, including its relative size. Students also practice adding and subtracting electrons from...
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...
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...
Museum of Science
The Atom's Family: Mighty Molecules
In this activity, students construct models of molecules using marshmallows and gum drops.
Texas Instruments
Texas Instruments: Atomic Structure
This StudyCards stack enables students to review the terms associated with learning and using the Periodic Table of the Elements.
Michael Blaber, PhD
Florida State University: Electronic Structure of Atoms: Electron Configurations
Florida State University provides this article on electronic configurations of atoms and Hund's rule.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1910 1929
Scientists' understanding of the structure of the atom and of its component particles grows, the phone and radio become common, and the modern television is born.
Sophia Learning
Sophia: Molecular Structure of Water: Lesson 2
This lesson will introduce the molecular structure of water, including the Hydrogen atoms, Oxygen atoms, and types of bonds. It is 2 of 4 in the series titled "Molecular Structure of Water."
Curated OER
Atom
A lesson plan outlining a very simple way to introduce students to how the structure of the atom was determined. Uses a mystery box with surprise items inside.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Rutherford Scattering
How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining...
City University of New York
John Jay College of Criminal Justice: Atomic Structure
Resource shows the relationships bewteen terms such as atomic number, protons, and isotopes. Simple pictures of atoms help.
Purdue University
Purdue: Structural Isomers
Definition of structural isomers. Discusses differences in atoms and formulas. Includes differences about chemical and physical properties. Links to related definitions provided.
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: Photoelectron Spectroscopy
An explanation of how photoelectron spectroscopy can be used to detect electron structures in atoms or molecules.
TeachEngineering
Teach Engineering: The Fundamental Building Blocks of Matter
This lesson plan explores the fundamentals of atoms and their structure. The building blocks of matter (protons, electrons, neutrons) are covered in detail. Students think about how atoms and molecules can influence new technologies...
Simon Fraser University
Chem1 Virtual Textbook: Chemical Composition
Chemical composition is a section of a larger overview on Chemistry, covering a variety of aspects. This section focuses on elements, atoms, compounds, and structure. Examples, formulas, and pictures are provided.
State University of New York
State University of New York: Determining Molecular Shapes
In the following activity, students are required to select a central atom, drag an electron-pair geometry and other appropriate atoms in order to create the molecular structure.
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.
California State University
Csudh Project for Chemistry: Protons, Electrons, and Neutrons
This page is an exercise in relating the number of protons, electrons, and neutrons for an atom or monoatomic ion.
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.
Concord Consortium
Concord Consortium: What Are Nature's Building Blocks?
Activity 1 of this module explores What are the particles that make up all substances, and how small are they? A history of the atom is included.
Curated OER
Science Kids: Science Images: Basic Atom Structure
This diagram shows a basic atom structure with an atom core, proton, neutron and electron.
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.
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