Credit: RHYS LEWIS, AHS, DECD, UNISA/ANIMATE4.COM/SCIENCE PHOTO LIBRARY

Caption: Valency of Group 18 elements. Animation of the periodic table, showing the valency of the Group 18 elements, the noble gases. The animation starts by showing the whole periodic table, followed by just the Group 18 elements (light blue). The animation then shows the electron configuration of the first three elements in the group: helium (He), neon (Ne), and argon (Ar). These elements have fully occupied outer electron shells, two electrons for helium and eight each for neon and argon. This is highlighted in red in both the electron shell diagrams and the numerical electron configuration below. The stability of an element's outer (valence) electrons determines its chemical and physical properties. For the groups shown here, the number of electrons in an element's outer electron shell (with the exception of helium) corresponds to its group number in the periodic table. Helium, because it is inert and has a full electron shell, is placed with the noble gases in group 18 (also known as group 0, group 8, and group VIIIa).

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Keywords: animated, animation, argon, chemical, chemistry, education, educational, electron configuration, electron shells, electronic structure, electrons, element, elements, graphic, group 0, group 18, group 8, group eight, group viii, group viiia, group zero, groups 1-18, helium, illustration, neon, no-one, noble gases, nobody, orbitals, outer electrons, periodic table, periodicity, periods 1-7, physical chemistry, properties, property, school science, simple groups, trends, valence electrons, valency, white background

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Valency of Group 18 elements

K005/7978 Rights Managed

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Duration: 00:00:26.06

Frame size: 1920x1080

Frame rate: 24

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Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

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Capture format: QuickTime Animation

Codec: Animation

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