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.
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
→
|
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
Mulliken electronegativity scale
→
Pauling electronegativity scale → |
relatedTo |
|
Allen electronegativity scale
→
|
comparedTo |
|
Allen electronegativity scale
→
|
isAlternativeTo |