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electron
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Introduction References & Edit History Quick Facts & Related Topics
Images & Videos
A simplified look into the structure of an atom
atoms
atomic orbitals electron density functions for four hydrogen atom states Electron densities in wave functions of the Schrödinger equation Feynman diagram Bohr theory Feynman diagram Compton effect electrons and positrons in a bubble chamber
Quizzes
Periodic Table of the elements concept image (chemistry)
Facts You Should Know: The Periodic Table Quiz
Model of a molecule. Atom, Biology, Molecular Structure, Science, Science and Technology. Homepage 2010 arts and entertainment, history and society
Science Quiz
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12 Novels Considered the “Greatest Book Ever Written”
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electron: Media

subatomic particle
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Videos

A simplified look into the structure of an atom
Explore an atom's interior to discover the layout of its nucleus, protons, and electrons.
Video: Encyclopædia Britannica, Inc.
atoms
How atoms can be seen.
Video: © American Chemical Society (A Britannica Publishing Partner)
Investigate varying electron configurations in electron shells around an atom's nucleus
Atomic model of electron configurations.
Video: Encyclopædia Britannica, Inc.
Why is carbon called the element of life?
Learn about carbon and how it forms the basis of life.
Video: © American Chemical Society (A Britannica Publishing Partner)
View an animation explaining how small things like electrons and protons can behave like particles and sometimes like waves
A lesson on how small things, like electrons and protons, can behave like both a...
Video: © MinutePhysics (A Britannica Publishing Partner)
Understand matter based on the Pauli exclusion principle
Matter as defined by the Pauli exclusion principle.
Video: © MinutePhysics (A Britannica Publishing Partner)
See a demonstration explaining the wave-particle duality of an electron
A demonstration of the wave-particle duality of an electron.
Video: © MinutePhysics (A Britannica Publishing Partner)

Images

atomic orbitals
Electrons fill in shell and subshell levels in a semi-regular process, as indicated...
Encyclopædia Britannica, Inc.
electron density functions for four hydrogen atom states
Figure 5: Plots of electron density in the xz plane of atomic hydrogen are...
Daniel Kleppner and William P. Spencer, Massachusetts Institute of Technology
Electron densities in wave functions of the Schrödinger equation
Encyclopædia Britannica, Inc.
Feynman diagram
Feynman diagram of the annihilation of an...
Encyclopædia Britannica, Inc.
Bohr theory
The Bohr theory sees an electron (left) as a point mass occupying certain energy...
Encyclopædia Britannica, Inc.
Feynman diagram
Feynman diagram of a complex interaction between two electrons (e−),...
Encyclopædia Britannica, Inc.
Compton effect
When a beam of X-rays is aimed at a target material, some of the beam is deflected,...
Encyclopædia Britannica, Inc.
electrons and positrons in a bubble chamber
Electrons and positrons produced simultaneously from individual gamma rays curl in...
Courtesy of the Lawrence Berkeley Laboratory, the University of California, Berkeley
proton-antiproton collision
Tracks emerging from a proton-antiproton collision at the centre of the UA1 detector...
David Parker—Science Photo Library/Photo Researchers
electron transition
Figure 2: Transition of an electron from the valence band to the conduction band...
Encyclopædia Britannica, Inc.
Feynman diagram
Feynman diagram of the simplest interaction...
Encyclopædia Britannica, Inc.
three-level laser
A burst of energy excites electrons in more than half of the atoms from their ground...
Encyclopædia Britannica, Inc.
double-slit experiment
Figure 5: (A) Monochromatic light incident on a pair of slits gives interference...
Encyclopædia Britannica, Inc.
Figure 5: The world lines of an electron (moving forward in time) and a positron...
Encyclopædia Britannica, Inc.
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