Khan Academy
Khan Academy: The Mole and Avogadro's Number
Video tutorial presents an introduction to the concept of a mole as a number. [9:43]
Khan Academy
Khan Academy: The History of Atomic Chemistry
Video tutorial explores and explains the story of Atomic Chemistry and how we got here. [8:46]
Khan Academy
Khan Academy: Atomic and Ionic Radii
An explanation of the sizes of different atoms due to the number of electrons that are orbiting in energy shells. [11:25]
Khan Academy
Khan Academy: Organic Hybridization Practice
Examples of identifying hybridization and geometry for atoms in organic molecules. [10:20]
Khan Academy
Khan Academy: Biology: Chemistry of Life: Introduction to the Atom
A video investigating the makeup of an atom. Learn that atoms are composed of protons, neutrons, and electrons. Understand that protons and neutrons determine the mass of an atom. Also, the atomic number gives you the number of protons...
Bill Nye
Bill Nye the Science Guy: Atoms and Molecules (Full Episode)
Bill Nye explains all about the matter in the universe. Learn about atoms and molecules, and how they make up all the "stuff" in the world. [22:42]
Tyler DeWitt, PhD
Tyler De Witt: Converting Between Moles, Atoms, and Molecules
How many atoms in 5.5 moles? How many moles is 4.6 x 10^24 sulfur atoms? In this video Tyler DeWitt helps you solve problems like these--converting back and forth between moles and the number of atoms or molecules. DeWitt will use both a...
Tyler DeWitt, PhD
Tyler De Witt: Converting Between Moles, Atoms and Molecules Part 2
In this video viewers will do more practice problems, converting between moles, atoms, and molecules. This is the second part of the video. [6:58]
Khan Academy
Khan Academy: Chemistry: Elements and Atoms
Learn about the relationship between elements and atoms in this video lecture. Understand the basics of how protons, electrons, and neutrons make up an atom and how elements relate to atoms. [13:09]
PBS
Pbs Learning Media: Taking Pictures of Things You Can't See
Dr. Chris Muhlstein explains the challenge of studying materials that are too small to see with the naked eye. The technique some scientists use to observe individual atoms is similar to the technique of using touch to find out the size,...
Khan Academy
Khan Academy: Elements and Atoms
Video tutorial explores how elements relate to atoms and provides the basics of how protons, electrons, and neutrons make up an atom. [13:08]
Khan Academy
Khan Academy: Atomic Number, Mass Number, and Isotopes
Check your understanding of how to use the atomic number and the mass number to represent different isotopes. [9:43]
University of Houston
University of Houston: Engines of Our Ingenuity: Lucretius
A discussion of how Lucretius's view of matter as composed of individual atoms preceeded modern thought by almost 2000 years.
Sophia Learning
Sophia: Democritus: Lesson 1
This lesson will describe Democritus' description of matter being discontinuous. It is 1 of 3 in the series titled "Democritus."
Annenberg Foundation
Annenberg Learner: Models of the Atom
Animation looking at various models of the atom that have been proposed by J.J. Thomson, Ernest Rutherford, and Niels Bohr, with a brief look at the Quantum Mechanical Model. [2:23]
Other
The Science Classroom: History of the Atom (Atomic Theory)
Looks at the history of models of the atom beginning with Democritus and ending with contemporary understanding of the atom. Covers all major models. [9:02]
Other
Vimeo: Matter and Atoms
Looks at the history of atomic theory and ideas about atomic models that have evolved over time. Covers models put forward by John Dalton, J.J. Thomson, Earnest Rutherford, Niels Bohr, and the work of Schrodinger and Heisenberg. Also...
Socratica Foundation
Socratica: History of the Atom (Dalton, Thomson, Rutherford, and Bohr Models)
Discusses the history of the atom in chronological order, covering the models postulated by John Dalton, J.J. Thomson, Earnest Rutherford, and Niels Bohr. Illustrations are presented for each model. [6:32]
Crash Course
Crash Course Chemistry #32: Kinetics Chemistry's Demolition Derby
In this episode, Hank talks about collisions between molecules and atoms, activation energy, writing rate laws, equilibrium expressions, reactions mechanics, and rate-determining steps. [9:57]
Crash Course
Crash Course Chemistry #1: The Nucleus
Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles - the proton, neutron and electron - come together in trillions of...
Other
E Learnin: Science: Atomic Number and Mass Number of an Atom
Recognize the atomic number and mass number of an atom and how they are linked to the electrons, protons and neutrons of an atom. [2:05]
Other
Nature Video: Have You Ever Seen an Atom?
Scientists at the University of California Los Angeles have found a way to create stunningly detailed 3D reconstructing of platinum nanoparticles at an atomic scale. These are being used to study tiny structural irregularities called...
Massachusetts Institute of Technology
Mit: #Ask Mit: What Does the Future of Nuclear Science Look Like?
Senior reactor operator at the MIT Research Nuclear Reactor, Sarah Don discusses what the future of nuclear science looks like. [2:00]