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

Caption: Valency and the periodic table. Animation of the periodic table, showing the valency of the Group IA elements (the alkali metals) and the Group VIIA elements (the halogens). The animation starts by showing the whole periodic table, followed by highlighting the Group IA elements (blue, highlighted in red), and shows the electron configuration of the first element in the group: lithium (Li). This element, like others in the group, has a single electron in its outermost electron shell. This is highlighted in red in the electron shell diagram. The animation then highlights the Group VIIA elements (red, highlighted in red), and shows the electron configuration of the first element in the group: fluorine (F). This element, like others in the group, has seven electrons in its outermost electron shell. This is highlighted in red in the electron shell diagram. 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 corresponds to its group number in the periodic table. Groups IA is also known as group 1. Group VIIA is also known as group 7 and group 17.

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Keywords: alkali metals, animated, animation, chemical, chemistry, education, educational, electron configuration, electron shells, electronic structure, electrons, element, elements, fluorine, graphic, group 1, group 17, group 7, group i, group ia, group one, group seven, group vii, group viia, groups ia-viiia, halogens, illustration, lithium, no-one, nobody, orbitals, outer electrons, periodic table, periodicity, periods 1-7, physical chemistry, properties, property, roman numeral groups, school science, simple groups, trends, valence electrons, valency, white background

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Valency and the periodic table

K005/7994 Rights Managed

Downloadable master

Duration: 00:00:14.14

Frame size: 1920x1080

Frame rate: 24

Audio: No

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

File size: 234.5M

Original

Capture format: QuickTime Animation

Codec: Animation

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