Pauling Scale
| Also Known As | Electronegativity scale, Pauling electronegativity, electronegativity values |
|---|
What is Pauling Scale?
The Pauling scale is the most widely used scale for measuring electronegativity of elements, developed by Linus Pauling in 1932. Electronegativity on this scale ranges from 0.7 (Fr) to 4.0 (F). Pauling defined electronegativity as the power of an atom in a molecule to attract electrons to itself. The scale is based on thermochemical data — bond dissociation energies of heteronuclear diatomic molecules.
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
The Pauling scale is the most widely used scale for measuring electronegativity of elements, developed by Linus Pauling in 1932. Electronegativity on this scale ranges from 0.7 (Fr) to 4.0 (F). Pauling defined electronegativity as the power of an atom in a molecule to attract electrons to itself. The scale is based on thermochemical data — bond dissociation energies of heteronuclear diatomic molecules.
Predicting bond polarity and type (ionic vs covalent). Predicting partial charges and dipole moments. Understanding acid-base strength. Predicting reactivity and reaction mechanisms. Molecular design. Teaching chemical bonding concepts.
Reference scale — no direct safety concerns.