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2. Periodic trends - Wikipedia

   en.wikipedia.org/wiki/Periodic_trends

   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 ...

3. Template : Periodic table (electronegativity by Pauling scale)

   en.wikipedia.org/wiki/Template:Periodic_table...

   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).

4. Electronegativity - Wikipedia

   en.wikipedia.org/wiki/Electronegativity

   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]

5. Template : Periodic table (electronegativity by Allen scale)

   en.wikipedia.org/wiki/Template:Periodic_table...

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6. Template:Periodic table (electronegativity by Pauling scale ...

   en.wikipedia.org/wiki/Template:Periodic_table...

   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.

7. File:Periodic variation of Pauling electronegativities.svg

   en.wikipedia.org/wiki/File:Periodic_variation_of...

   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.

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9. File:Periodic Table of Elements showing Electron Shells.svg

   en.wikipedia.org/wiki/File:Periodic_Table_of...

   small alignment corrections to mini periodic table: 21:24, 1 April 2007: 4,213 × 2,980 (4.57 MB) GregRobson == Summary == * '''Description:''' Diagram showing the periodic table of elements in the form of their electron shells. Each element is detailed with the name, symbol and number of electrons in each shell.