compound. Electronegativity, symbol χ, is a chemical property that describes the tendency of an atom to attract electrons towards this atom.For this purposes, a dimensionless quantity the Pauling scale, symbol χ, is the most commonly used.. The American chemist Linus Pauling (1901–1994) developed the first and most widely used electronegativity scale, which is based on thermochemical data. An atom's electronegativity is affected by both its atomic number. X X X Y X Z THE PAULING ELECTRONEGATIVITY SCALE COVALENT BOND POLAR COVALENT IONIC BOND 0.0–0.4 0.4–1.7 >1.7 For instance, by using Table 1 below, you could report that oxygen atoms (O) are more electronegative than phosphorous atoms (P). Pauling's scale of electronegativity: Pauling related the resonance energy ... of electronegativity along any period or row of the periodic table may be understood with reference to the following table. Generally, electronegativity increases moving towards the top right of the Periodic Table. Data taken from John Emsley, The Elements, 3rd edition.Oxford: Clarendon Press, 1998. The largest electronegativity (3.98) is assigned to fluorine and all other electronegativities measurements are on … According to the great Linus Pauling, electronegativity is “the power of an atom in a molecule to attract electrons to itself. The electronegativity of fluorine is: χ = 4.0. First proposed by Linus Pauling in 1932. Pauling electronegativity values for select elements of relevance to BIS2A as well as elements at the two extremes (highest and lowest) of the electronegativity scale. As Figure below shows, there is generally an increase in electronegativity from left to right across a period—that is, from the most metallic to the most nonmetallic elements. Pauling Electronegativity Scale The electronegativity scale was developed by Nobel Prize winning American chemist Linus Pauling. This table is the Pauling electronegativity scale. Linus Pauling's electronegativity scale is the most common. As you can see, electronegativities generally increase from left to right across a period and decrease down a group. Figure 1. Linus Pauling's electronegativity scale is the most common. To find Mulliken electronegativity for a certain atom, find that atom's first ionization energy. Table 1. Electronegativity refers to the ability of an atom to attract shared electrons in a covalent bond.The higher the value of the electronegativity, the more strongly that element attracts the shared electrons. Mulliken electronegativity is a slightly different way of measuring electronegativity than is used in the Pauling table above. There are other ways of measuring electronegativity, such as the Mulliken scale and the Allred-Rochow scale. Title: Microsoft Word - 5-03-Table of Electronegativities.doc Author: Brent White Created Date: 7/8/2005 8:22:23 PM Electronegativities reported in Pauling units. Pauling Electronegativity Number; Oxidation states; Electronic Configuration (N) Lattice/Crystal Structures; Lattice constant; Lattice Ratio; Linear Temperature Expansion; Heat Capacity; Resistivity / conductivity; Tables. The periodic table below shows the Pauling electronegativity scale. A value of 4.0 is assigned to fluorine, the most electronegative element. The difference in electronegativity between two bonded atoms gives information on the nature of the chemical bond between them. This is the energy required to make the atom discharge a single electron. The table below shows the electronegativity values for the elements. Applications of electronegativity. Note that atoms toward the upper right are more electronegative, and those to the lower left are least electronegative. Electronegativity.