nobelium
E48435
Nobelium is a synthetic, highly radioactive actinide element with atomic number 102, named in honor of Alfred Nobel and used primarily for scientific research.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Nobelium | 0 |
| Nobelium-259 | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
actinide
ⓘ
chemical element ⓘ synthetic element ⓘ |
| atomicNumber | 102 ⓘ |
| belongsTo | periodic table of the elements ⓘ |
| block | f-block ⓘ |
| boilingPoint | unknown (not well established) ⓘ |
| CASNumber | 10028-14-5 ⓘ |
| chemicalSeries | transuranium element ⓘ |
| commonIsotope |
Nobelium-252
ⓘ
Nobelium-254 ⓘ Nobelium-255 ⓘ Nobelium-257 ⓘ |
| discoveringInstitution |
Joint Institute for Nuclear Research
ⓘ
Lawrence Berkeley National Laboratory ⓘ |
| discoveryYear |
1957
ⓘ
1958 ⓘ |
| electronConfiguration | [Rn] 5f13 7s2 (ground state, expected) ⓘ |
| elementCategory | actinide series ⓘ |
| group | none ⓘ |
| isotopesCountObserved | more than 10 ⓘ |
| isTransuranic | true ⓘ |
| IUPACName | nobelium self-linksurface differs ⓘ |
| meltingPoint | about 1100 K (estimated) ⓘ |
| mostStableIsotope |
nobelium
self-linksurface differs
ⓘ
surface form:
Nobelium-259
|
| mostStableIsotopeHalfLife | about 58 minutes ⓘ |
| namedAfter | Alfred Nobel ⓘ |
| nameOrigin | Alfred Nobel ⓘ |
| naturalAbundance | 0 ⓘ |
| neutronNumberInMostStableIsotope | 157 ⓘ |
| occurrence | does not occur naturally ⓘ |
| oxidationState |
+2
ⓘ
+3 ⓘ |
| period | 7 ⓘ |
| phaseAtSTP | solid (predicted) ⓘ |
| positionInPeriodicTable | between Mendelevium and Lawrencium ⓘ |
| predominantOxidationStateInSolution | +2 ⓘ |
| productionMethod | particle accelerator synthesis ⓘ |
| protonCount | 102 ⓘ |
| radioactiveDecayMode |
alpha decay
ⓘ
spontaneous fission ⓘ |
| radioactivity | highly radioactive ⓘ |
| standardAtomicWeight | [259] ⓘ |
| symbol | No ⓘ |
| uses |
nuclear physics research
ⓘ
scientific research ⓘ study of actinide chemistry ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Nobelium
this entity surface form:
Nobelium-259