CK-12 Foundation
Ck 12: Electron Arrangement in Atoms
[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will learn how to express the arrangement of electrons in atoms through electron configurations and Lewis valence electron...
CK-12 Foundation
Ck 12: The Nuclear Model of the Atom
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will distinguish between the three main subatomic particles and understand the contributions of J. J. Thomson, Robert...
Vision Learning
Visionlearning: Atomic Theory and Structure: The Mole: Its History and Use
An introduction to the mole, a unit of measurement that quantifies atoms and molecules.
Curated OER
Science Kids: Science Images: Basic Atom Structure
This diagram shows a basic atom structure with an atom core, proton, neutron and electron.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: All About Atoms
The three basic particles that make up atoms are defined and illustrated.
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.
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...
Concord Consortium
Concord Consortium: Stem Resources: Electrons in Atoms and Molecules
A module with animations, explanations, and questions about the importance of electrons in the structure of an atom. Understand the definition and locations of electrons in the atom. Explore the role of electrons in bonding, polarity,...
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.
Khan Academy
Khan Academy: Physical Processes: Electronic Structure: Electron Configurations Article
Electron configurations are a simple way of writing down the locations of all of the electrons in an atom. This article describes how this works.
Mocomi & Anibrain Digital Technologies
Mocomi: Structure of an Atom
An atom is made of three parts - protons, neutrons, and electrons. Here you can explore these different parts.
Science Struck
Science Struck: What Makes Up an Atom?
Describes the structure of an atom and the characteristics of the electrons, neutrons, and protons inside it. Includes some interesting facts about atoms.
State University of New York
State University of New York: Drawing Lewis Structures
This simulation is an interaction with drawing Lewis structures.
McGraw Hill
Glencoe Biology: Atoms, Elements, and Compounds: Self Check Quiz
Try these five multiple-choice questions that help students review atoms, elements, and compounds. Each question has a hint and a self-checking feature.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Atoms, Molecules and Ions
This online textbook chapter provides learners with advanced-level material on the structure and relationships between atoms, molecules and ions.
Libre Text
Libre Texts: Chemistry: Structure of Organic Molecules
Here you will learn how to understand, write, draw, and talk-the-talk of organic molecules. Why were different drawing techniques developed? Organic molecules can get complicated and large. It is a tedious to have to constantly draw out...
Nobel Media AB
The Nobel Prize: Structure of Matter
This site provides an illustrated and animated story that seeks to answer several questions. What are atoms made of? What is keeping a nucleus intact? What happens if you try to separate two quarks? Are quarks fundamental?
Science Education Resource Center at Carleton College
Serc: Quantum Atomic Structure
This multi-day lesson plan helps young scholars to understand how the models of the atom have changed and how quantum mechanics affects the electrons as they orbit the nucleus.
ClassFlow
Class Flow: Atomic Structure: Parts of the Atom
[Free Registration/Login Required] This flipchart defines the parts of the atom. It uses Activotes for assessment.
Museum of Science
The Atom's Family: The Phantom's Portrait Parlor
In this activity, students investigate the atomic world by attempting to reduce paper to the size of an atom. Although students won't be able to cut the paper that small, they will gain a better understanding of how small the atom is.
BBC
Bbc: Gcse Bitesize Science: Atomic Structure and Bonding Test
A ten-question quiz on the structure of an atom and on atomic bonds.
Michigan Reach Out
Guess What! A Lesson About Atoms
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.
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...
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