nitrogen-14
E368991
Nitrogen-14 is the most abundant stable isotope of nitrogen and a key intermediate nucleus in stellar fusion processes such as the CNO (Bethe–Weizsäcker) cycle.
All labels observed (1)
| Label | Occurrences |
|---|---|
| nitrogen-14 canonical | 2 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
nitrogen isotope
ⓘ
nuclide ⓘ stable isotope ⓘ |
| actsAs | bottleneck nucleus in CNO cycle ⓘ |
| atomicNumber | 7 ⓘ |
| belongsToElement | nitrogen ⓘ |
| bindingEnergyPerNucleonApproxMeV | 7.47 ⓘ |
| category | isotopes of nitrogen ⓘ |
| chemicalSymbol | N-14 ⓘ |
| destroyedBy | proton capture to form oxygen-15 in stars ⓘ |
| discoveredAsIsotopeBy | Frederick Soddy ⓘ |
| dominantIsotopeIn | Earth atmosphere nitrogen ⓘ |
| elementSymbol | N ⓘ |
| formedBy | proton capture on carbon-13 in stars ⓘ |
| fractionOfAtmosphericNitrogen | about 0.99 ⓘ |
| hasIsotopicPairWith | nitrogen-15 ⓘ |
| hasQuadrupoleMoment | true ⓘ |
| isotopicCompositionStandard | reference for δ15N measurements ⓘ |
| isotopicRatioWithNitrogen15Notation | 14N/15N ⓘ |
| isStable | true ⓘ |
| massNumber | 14 ⓘ |
| mostAbundantIsotopeOf | nitrogen ⓘ |
| naturalAbundanceInNitrogen | 0.99636 ⓘ |
| naturalAbundanceInNitrogenPercent | 99.636 ⓘ |
| neutronNumber | 7 ⓘ |
| nuclearMagneticMomentSign | positive ⓘ |
| nuclearSpin | 1 ⓘ |
| nuclearSpinParity | 1+ ⓘ |
| occursIn | Earth atmosphere ⓘ |
| presentIn |
amino acids
ⓘ
ammonium compounds ⓘ atmospheric dinitrogen (N2) ⓘ nitrate compounds ⓘ nucleic acids ⓘ proteins ⓘ |
| producedIn |
Bethe–Weizsäcker cycle
ⓘ
Bethe–Weizsäcker cycle ⓘ
surface form:
CNO cycle
|
| radioactive | false ⓘ |
| roleInStellarFusion | key intermediate nucleus in CNO cycle ⓘ |
| standardAtomicWeightApprox | 14.003074 ⓘ |
| usedAs |
baseline for δ15N notation
ⓘ
reference isotope in stable nitrogen isotope geochemistry ⓘ |
| usedIn |
Mössbauer spectroscopy of nitrogen compounds
ⓘ
dating of some geological and environmental processes via 14N/15N ratios ⓘ nuclear magnetic resonance of nitrogen-containing compounds ⓘ studies of nitrogen cycle in ecology ⓘ tracing biochemical nitrogen pathways ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.