Pauling electronegativity scale

E4115

The Pauling electronegativity scale is a quantitative system devised by Linus Pauling to compare the tendency of atoms to attract electrons in chemical bonds.

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All labels observed (1)

Label Occurrences
Pauling electronegativity scale canonical 10

Statements (47)

Predicate Object
instanceOf chemical property scale
electronegativity scale
appearsIn The Nature of the Chemical Bond
appliesTo atoms in molecules
elements
assumes covalent bond energy additivity with ionic contribution
basedOn bond energy differences
cesiumValueApprox 0.79
chlorineValueApprox 3.16
correlatesWith bond polarity
ionic character of bonds
creator Linus Pauling
definedFrom heteronuclear bond energies
homonuclear bond energies
describes tendency of atoms to attract electrons in chemical bonds
developedAt California Institute of Technology
fluorineValue 3.98
hasUnit dimensionless
highestElement fluorine
hydrogenValueApprox 2.20
introducedIn 1932
isMostCommonElectronegativityScale true
lowestElementApprox cesium
francium
mathematicalForm difference proportional to square root of extra bond energy
namedAfter Linus Pauling
originalFluorineValue 4.0
oxygenValueApprox 3.44
rangeApprox 0.7 to 4.0
referenceElement fluorine
relatedTo Allen electronegativity scale
Allred–Rochow electronegativity scale
Mulliken electronegativity scale
sodiumValueApprox 0.93
status standard textbook scale for electronegativity
symbolForElectronegativity χ
trendAcrossPeriod generally increases left to right
trendDownGroup generally decreases down a group
usedIn chemistry
inorganic chemistry
materials science
organic chemistry
periodic trends analysis
usedToEstimate bond energy differences
bond polarity
usedToPredict bond type
ionic versus covalent character

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Linus Pauling knownFor Pauling electronegativity scale
General Chemistry usesConcept Pauling electronegativity scale
Mulliken electronegativity scale relatedTo Pauling electronegativity scale
Allred–Rochow electronegativity scale comparedTo Pauling electronegativity scale
Allred–Rochow electronegativity scale alternativeTo Pauling electronegativity scale
Allen electronegativity scale comparedTo Pauling electronegativity scale
Allen electronegativity scale hasAdvantageOver Pauling electronegativity scale
Allen electronegativity scale isAlternativeTo Pauling electronegativity scale
Sanderson electronegativity scale comparedTo Pauling electronegativity scale
Sanderson electronegativity scale alternativeTo Pauling electronegativity scale