OpenStax
Open Stax: Elements and Atoms, the Building Blocks of Matter
This site provides an overview of elements and atoms, the building blocks of matter.
Khan Academy
Khan Academy: Biology: Chemistry of Life: Matter, Elements, and Atoms
Did you know matter is made up of atoms? In this article learn about the smallest unit of matter called the atom.
Other
Le Moyne College:elements & Atoms, Indivisible No Longer
Click to read different historical documents in chemistry related to the history of the study and discovery of radioactivity.
University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: The Pauli Exclusion Principle
The Pauli Exclusion Principle shows how electrons fill atomic orbitals. Includes biographical information on Wolfgang Pauli.
University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: Electron Clouds and Energy Levels
An explanation of the different types of atomic orbitals, how they are filled according to the Pauli Exclusion Principle, and how many electrons can fit in each electron shell.
University of Colorado
University of Colorado: Physics 2000: Elements as Atoms: Quantum Numbers
Each electron has a set of quantum numbers that specify it's location, orbital, and energy in a unique manner.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: University of Colorado: Build and Atom
Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test how the ideas work!
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Build an Atom
Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test your ideas!
PBS
Pbs Learning Media: Periodic Table of the Elements Essay
This essay, written for Teachers' Domain, describes the foresight and pattern recognition that Russian chemist Dmitri Mendeleyev used to develop the modern periodic table of elements.
PBS
Pbs Learning Media: Periodic Table of the Elements
This interactive periodic table developed for Teachers' Domain provides detailed information about the chemical properties of elements and illustrates the electron configurations that determine those characteristics.
NASA
Nasa: Atoms and Molecules in Motion, States of Matter [Pdf]
Everythingin the universeis either matter or energy. All matter is made of combinations of about one hundred basic building blocks, the chemical elements on the periodic table. Going a step further and breaking these elements down to...
Chem4kids
Chem4 Kids: Atoms
This site provides a detailed overview of atoms. Content explores an atom's structure, as well as what ions are, how atoms bond, what compounds are (including how to name compounds), and what isotopes are.
PBS
Nova: Atom Builder
Find out if you know enough about atoms to build them. The goal of the activity is to build an atom of a particular element by dragging the correct numbers of neutrons, protons and electrons into the atom.
Utah Education Network
Uen: Elements in the Universe
Learners will use a graph of the relative abundance of elements in the Universe to determine relationships between size of the atoms and their abundance.
Utah Education Network
Uen: Heavy Elements Game
Young scholars will play the "Heavy Element" game to learn about star cycle and the formation of heavy elements in the universe.
Simon Fraser University
Chem1 Virtual Textbook: Atoms and the Periodic Table
As part of the General Chemistry Virtual Textbook, this site examines a list of related topics (in hyperlink format) on the atom and the Periodic Table of elements. Topics from light, particles, and waves to the Bohr model, quantum...
Scholastic
Scholastic: Study Jams! Science: Matter: Atoms: Protons, Neutrons, Electrons
A video and a short quiz on the parts of an atom, the periodic table, and molecules.
CK-12 Foundation
Ck 12: Physical Science: Elements
[Free Registration/Login may be required to access all resource tools.] Discusses elements and their different properties, the history of elements, and how atoms relate to elements.
CK-12 Foundation
Ck 12: Physical Science: Elements
[Free Registration/Login may be required to access all resource tools.] Explores elements and their different properties, the history of elements, and how atoms relate to elements.
Simon Fraser University
Chem1 Virtual Textbook: The Shell Model of the Atom
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
CK-12 Foundation
Ck 12: Physical Science: Atoms
[Free Registration/Login may be required to access all resource tools.] Atoms and how they are related to elements, and the particles that make up atoms.
CK-12 Foundation
Ck 12: Physical Science: Atoms
[Free Registration/Login may be required to access all resource tools.] Atoms and how they are related to elements, and the particles that make up atoms.
CK-12 Foundation
Ck 12: Earth Science: Atoms to Molecules Study Guide
Understand the basic structure of atoms and molecules in the Earth's crust.
CK-12 Foundation
Ck 12: Chemistry Simulation: Atom Builder Challenge
[Free Registration/Login Required] Learn what makes each element unique by building the mystery atoms in the periodic table.
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