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See also: Electronegativities of the elements (data page) There are no reliable sources for Pm, Eu and Yb other than the range of 1.1–1.2; see Pauling, Linus (1960).
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This is a documentation subpage for Template:Periodic table (electronegativity by Pauling scale). It may contain usage information, categories and other content that is not part of the original template page.
Electronegativity cannot be directly measured and must be calculated from other atomic or molecular properties. Several methods of calculation have been proposed, and although there may be small differences in the numerical values of the electronegativity, all methods show the same periodic trends between elements. [4]
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Trend-wise, as one moves from left to right across a period in the modern periodic table, the electronegativity increases as the nuclear charge increases and the atomic size decreases. However, if one moves down in a group , the electronegativity decreases as atomic size increases due to the addition of a valence shell , thereby decreasing the ...
The electronegativity also declines. Deutsch: Innerhalb einer Hauptgruppe nimmt die Entfernung zwischen Atomkern und der Valenzsschale von oben nach unten zu. Weiterhin werden die Außenelektronen durch die inneren Schalen von der Ladung des Atomkerns zunehmend abgeschirmt.
Group should be downward and period should be horizontal. But in this template the directions are incorrectly shown. Please correct it.--G.Kiruthikan 06:02, 7 August 2014 (UTC) Interesting. Of course, current layout is the regular layout for periodic table(s). Do you have any example or source that switches these two (transpone)?