Electron structure of helium atom
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Electron structure of helium atom
Electron density of a helium atom. This image represents the quantum cloud of electrons surrounding a helium atom. The colours represent the local electric charge density, essentially the probability that one might find one of the atoms four electrons at a given point. The colours run from blue (highest) to red (lowest). The chaotic appearance of the image is due to the presence of a nearby charged particle; when in equilibrium the atom would appear more symmetrical. This is a more appropriate image than the older ideas of fixed orbitals for electrons, sometimes referred to as the Bohr Model, and is due to the principles of modern quantum theory
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Media ID 6284261
© ARSCIMED/SCIENCE PHOTO LIBRARY
Atom Atomic Structure Electron Helium Particle Physics
EDITORS COMMENTS
This print showcases the intricate electron structure of a helium atom, providing a visual representation of the quantum cloud that envelops it. The vibrant colors displayed in this image correspond to the local electric charge density, indicating the likelihood of finding one of the atom's four electrons at any given point. Ranging from deep blue (indicating higher probability) to red (representing lower probability), these colors paint a vivid picture of electron distribution. The seemingly chaotic appearance captured in this image is attributed to the presence of a nearby charged particle. However, under normal circumstances, when equilibrium is achieved, the helium atom would exhibit greater symmetry. This photograph effectively dispels older notions such as fixed orbitals for electrons, commonly known as the Bohr Model. By embracing modern quantum theory principles, this image offers a more accurate depiction of atomic structure and chemistry than previous models. It highlights how electrons exist within an elusive cloud rather than following predictable paths around an atomic nucleus. This remarkable print from Science Photo Library serves as a testament to our ever-expanding understanding of particle physics and provides valuable insights into the complex nature of atoms.
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