Computer representation of atomic orbitals

Credit: DR FRED ESPENAK/SCIENCE PHOTO LIBRARY

Caption: Atomic orbitals. Computer display of an electronic orbital of the hydrogen atom. The orbital shown here is known as 3d and it is formed by four symmetric lobes, two purple-blue and two red- green, seen sliced in the cartesian plane xy, with the nucleus at the centre of the frame. According to the atomic quantum theory it is not possible to specify a trajectory for the electrons moving around the nucleus. The quantum theory introduces instead the concept of orbitals as regions where there is a given probability of finding the electrons. The coloured bands in the lobes show different probability levels; the probability decreases when moving away from the nucleus.

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Keywords: art, artwork, atom, atomic orbitals, atomic structure, chemical, chemistry, electron orbital, electron orbital 3d, electronic 3d level, graphic, hydrogen, hydrogen atom, orbital, orbital 3d, particle physics

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