ångström
E681647
The ångström is a non-SI unit of length equal to 10⁻¹⁰ meters, commonly used to express atomic-scale distances such as wavelengths of light and interatomic spacings.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
non-SI unit
ⓘ
unit of length ⓘ |
| approximateAtomicRadiusScale | 1 ångström ⓘ |
| approximateVisibleLightWavelengthScale | hundreds of ångströms ⓘ |
| belongsToSystem | centimetre–gram–second system of units NERFINISHED ⓘ |
| category | metric unit of length ⓘ |
| conversionFactorToMetre | 1e-10 ⓘ |
| dimension | length ⓘ |
| equalTo |
0.1 nanometre
ⓘ
100 picometres ⓘ 1e-10 metre ⓘ |
| etymology | derived from the surname Ångström ⓘ |
| fieldOfApplication |
nanotechnology
ⓘ
structural biology ⓘ surface science ⓘ |
| introducedBy | Anders Jonas Ångström NERFINISHED ⓘ |
| languageOfName | Swedish NERFINISHED ⓘ |
| largerThan | picometre ⓘ |
| namedAfter | Anders Jonas Ångström NERFINISHED ⓘ |
| notation | Latin capital letter A with ring above ⓘ |
| notationContext | scientific literature ⓘ |
| relatedUnit |
nanometre
ⓘ
picometre ⓘ |
| scale | atomic scale ⓘ |
| SIBaseUnit | metre ⓘ |
| smallerThan | nanometre ⓘ |
| spellingVariant | angstrom ⓘ |
| statusInSI | not accepted for use with SI ⓘ |
| symbol | Å ⓘ |
| typicalBondLengthExample | C–C single bond length is about 1.54 ångströms ⓘ |
| typicalLatticeSpacingExample | crystal lattice spacings are a few ångströms ⓘ |
| typicalMagnitude | order of atomic diameters ⓘ |
| typicalUseCase |
expressing X-ray wavelengths
ⓘ
expressing bond lengths in molecules ⓘ |
| usedFor |
atomic-scale distances
ⓘ
interatomic spacings ⓘ wavelengths of light ⓘ |
| usedHistoricallyIn |
astrophysical spectroscopy
ⓘ
optical spectroscopy ⓘ |
| usedIn |
astronomy
ⓘ
atomic physics ⓘ crystallography ⓘ materials science ⓘ molecular physics ⓘ solid-state physics ⓘ spectroscopy ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.