ytterbium
E605200
Ytterbium is a soft, silvery rare-earth metal used in specialized alloys, lasers, and as a dopant in optical and electronic applications.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| ytterbium-171 | 0 |
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
chemical element
ⓘ
ytterbium isotope ⓘ |
| appearance | soft silvery metal ⓘ |
| atomicNumber | 70 ⓘ |
| blockInPeriodicTable | f-block ⓘ |
| boilingPoint | 1196 °C ⓘ |
| CASNumber | 7440-64-4 ⓘ |
| category |
lanthanoid
ⓘ
rare-earth element ⓘ |
| chemicalSymbol | Yb ⓘ |
| crystalStructure | face-centered cubic ⓘ |
| densityAtRoomTemperature | 6.90 g/cm³ ⓘ |
| discoveredBy | Jean Charles Galissard de Marignac NERFINISHED ⓘ |
| electronConfiguration | [Xe] 4f14 6s2 ⓘ |
| electronegativityPauling | 1.1 ⓘ |
| foundInMineral |
monazite
ⓘ
xenotime NERFINISHED ⓘ |
| groupInPeriodicTable | lanthanides ⓘ |
| isotopes |
ytterbium-168
ⓘ
ytterbium-170 ⓘ ytterbium-171 ⓘ ytterbium-172 ⓘ ytterbium-173 ⓘ ytterbium-174 ⓘ ytterbium-176 ⓘ |
| magneticOrdering | paramagnetic ⓘ |
| meltingPoint | 819 °C ⓘ |
| mostCommonOxidationState | +3 ⓘ |
| namedAfter |
Sweden
NERFINISHED
ⓘ
Ytterby NERFINISHED ⓘ |
| nuclearSpin | 1/2 ⓘ |
| oxidationState |
+2
ⓘ
+3 ⓘ |
| periodInPeriodicTable | 6 ⓘ |
| radioactivity | stable element ⓘ |
| reactivity |
reacts with dilute acids
ⓘ
slowly tarnishes in air ⓘ |
| safety | low to moderate toxicity ⓘ |
| standardAtomicWeight | 173.045 ⓘ |
| standardStateAtSTP | solid ⓘ |
| thermalNeutronCaptureCrossSection | high ⓘ |
| uses |
component of specialized alloys
ⓘ
dopant in electronic materials ⓘ dopant in fiber lasers ⓘ dopant in optical fibers ⓘ dopant in solid-state lasers ⓘ high-intensity laser amplifiers ⓘ medical laser systems ⓘ research on quantum gases ⓘ source in atomic clocks ⓘ |
| yearOfDiscovery | 1878 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.