Allred–Rochow electronegativity scale
E28163
The Allred–Rochow electronegativity scale is a system that quantifies an atom’s tendency to attract electrons based on effective nuclear charge and covalent radius, providing an alternative to the Pauling scale.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Allred–Rochow electronegativity scale canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T216499 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Allred–Rochow electronegativity scale Context triple: [Pauling electronegativity scale, relatedTo, Allred–Rochow electronegativity scale]
-
A.
Mulliken electronegativity scale
The Mulliken electronegativity scale is a quantitative measure of an atom’s tendency to attract electrons, defined as the average of its ionization energy and electron affinity.
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B.
Pauling electronegativity scale
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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C.
The Nature of the Chemical Bond
The Nature of the Chemical Bond is a landmark chemistry book by Linus Pauling that systematically explains chemical bonding using quantum mechanics and became one of the most influential scientific texts of the 20th century.
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D.
Herzberg–Teller approximation
The Herzberg–Teller approximation is a refinement in molecular spectroscopy that accounts for vibronic coupling by allowing electronic transition dipole moments to depend on nuclear coordinates, explaining intensity in otherwise forbidden transitions.
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E.
The Periodic Table
The Periodic Table is a memoir by Primo Levi that interweaves his experiences as a Jewish-Italian chemist and Holocaust survivor with reflections structured around elements from chemistry.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Allred–Rochow electronegativity scale Target entity description: The Allred–Rochow electronegativity scale is a system that quantifies an atom’s tendency to attract electrons based on effective nuclear charge and covalent radius, providing an alternative to the Pauling scale.
-
A.
Mulliken electronegativity scale
The Mulliken electronegativity scale is a quantitative measure of an atom’s tendency to attract electrons, defined as the average of its ionization energy and electron affinity.
-
B.
Pauling electronegativity scale
The Pauling electronegativity scale is a quantitative system devised by Linus Pauling to compare the tendency of atoms to attract electrons in chemical bonds.
-
C.
The Nature of the Chemical Bond
The Nature of the Chemical Bond is a landmark chemistry book by Linus Pauling that systematically explains chemical bonding using quantum mechanics and became one of the most influential scientific texts of the 20th century.
-
D.
Herzberg–Teller approximation
The Herzberg–Teller approximation is a refinement in molecular spectroscopy that accounts for vibronic coupling by allowing electronic transition dipole moments to depend on nuclear coordinates, explaining intensity in otherwise forbidden transitions.
-
E.
The Periodic Table
The Periodic Table is a memoir by Primo Levi that interweaves his experiences as a Jewish-Italian chemist and Holocaust survivor with reflections structured around elements from chemistry.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
chemical concept
ⓘ
electronegativity scale ⓘ periodic trend descriptor ⓘ |
| alternativeTo | Pauling electronegativity scale ⓘ |
| appliesTo |
atoms in molecules
ⓘ
elements of the periodic table ⓘ |
| basedOn |
covalent radius
ⓘ
effective nuclear charge ⓘ |
| characteristic | gives numerical values of electronegativity ⓘ |
| comparedTo | Pauling electronegativity scale ⓘ |
| correlatesWith |
Pauling electronegativity values
ⓘ
bond polarity ⓘ ionic character of bonds ⓘ |
| dependsOn |
distance of valence electrons from the nucleus
ⓘ
shielding of nuclear charge ⓘ |
| describes | tendency of an atom to attract electrons ⓘ |
| domain |
atomic properties
ⓘ
molecular properties ⓘ |
| field |
chemistry
ⓘ
inorganic chemistry ⓘ physical chemistry ⓘ |
| hasUnit | dimensionless ⓘ |
| introducedAs | quantitative measure of electronegativity based on Zeff and covalent radius ⓘ |
| namedAfter |
A. Louis Allred
ⓘ
Eugene G. Rochow ⓘ |
| quantifies | electrostatic attraction between nucleus and valence electrons ⓘ |
| relatedTo |
Allen electronegativity scale
ⓘ
Mulliken electronegativity scale ⓘ Sanderson electronegativity scale ⓘ |
| trend |
electronegativity decreases down a group
ⓘ
electronegativity increases across a period ⓘ |
| usedFor |
comparing electronegativities of elements
ⓘ
interpreting periodic trends ⓘ predicting bond polarity ⓘ |
| usesQuantity | effective nuclear charge at covalent radius ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Allred–Rochow electronegativity scale Description of subject: The Allred–Rochow electronegativity scale is a system that quantifies an atom’s tendency to attract electrons based on effective nuclear charge and covalent radius, providing an alternative to the Pauling scale.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.