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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).
Many of the highly radioactive elements have values that must be predictions or extrapolations, but are unfortunately not marked as such. This is especially problematic for francium, which by relativistic calculations can be shown to be less electronegative than caesium, but for which the only value (0.7) in the literature predates these ...
The variation of Pauling electronegativity (y-axis) as one descends the main groups of the periodic table from the second period to the sixth period. In general, electronegativity increases on passing from left to right along a period and decreases on descending a group.
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.
Pauling calculated the charge build up on the silicon atom due to the difference in electronegativity to be +2. The electroneutrality principle led Pauling to the conclusion that charge transfer from O to Si must occur using d orbitals forming a π-bond and he calculated that this π-bonding accounted for the shortening of the Si-O bond.
By the way, if you draw a horizontal line from Fr dot to the scale line, you'll see that both Fr's and Cs's values are closer to 0.5 than to 1.0. So again, ~0.8 remains unreferenced.-- R8R ( talk ) 12:32, 23 August 2016 (UTC) [ reply ]
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Dmitri Mendeleev, Russian chemist who proposed the periodic table: f-block groups 7 f-block [258] (10.3) (1100) – – 1.3 – synthetic unknown phase 102 No Nobelium: Alfred Nobel, Swedish chemist and engineer f-block groups 7 f-block [259] (9.9) (1100) – – 1.3 – synthetic unknown phase 103 Lr Lawrencium: Ernest Lawrence, American ...