Nobelium

Nobelium (No)

grundämne
Atomnummer102
Atommassa259
masstal248
Grupp
Period7
Blockf
Protoner102 p+
Neutroner146 n0
Electrons102 e-
Electron shell 102 Nobelium.svg Animated Bohrs atommodell of No (Nobelium) Enhanced Bohrs atommodell of No (Nobelium) Bohrs atommodell: No (Nobelium) Orbital Diagram of No (Nobelium)

Egenskaper

atomradie
molvolym
kovalent radie
176 pm
Metallic Radius
ionic radius
110 pm
Crystal Radius
124 pm
Van der Waalsradie
246 pm
densitet
9,9 g/cm³
energi
proton affinity
Elektronaffinitet
joniseringsenergi
ångbildningsvärme
smältvärme
Bildningsentalpi
Electrons
electron shell2, 8, 18, 32, 32, 8, 2
valenselektron3
elektronkonfiguration[Rn] 5f14 7s2
oxidationstal2, 3
elektronegativitet
Electrophilicity
Phases
aggregationstillståndFast
Gas Phase
Kokpunkt
Smältpunkt
1 100,15 K
critical pressure
critical temperature
trippelpunkt
Visual
färg
Färglös
appearance
Brytningsindex
materialegenskap
Värmeledningsförmåga
termisk expansion
molar heat capacity
Specifik värmekapacitet
heat capacity ratio
electrical properties
type
elektrisk konduktivitet
resistivitet
supraledare
magnetism
type
magnetisk susceptibilitet (Mass)
magnetisk susceptibilitet (Molar)
magnetisk susceptibilitet (Volume)
magnetic ordering
Curiepunkten
Néel temperature
Structure
Kristallstruktur ()
Gitterkonstant
Lattice Angles
mekanisk materialegenskap
hårdhet
Kompressibilitet
skjuvmodul
Young's modulus
Poissons konstant
ljudhastighet
klassificering
KategoriAktinider, Actinides
CAS Group
IUPAC Group
Glawe Number46
Mendeleev Number40
Pettifor Number35
Geochemical Class
Goldschmidt classificationsynthetic
övrigt
Gas Basicity
Dipole Polarizability
110 ± 6 a₀
C6 Dispersion Coefficient
Allotropes
Träffyta
Neutron Mass Absorption
kvanttal1S0
rymdgrupp ()

Nobeliumisotoper

Stabila isotoper0
Instabila isotoper17
Radioactive Isotopes16

248No

natural abundance
relative atomic mass
248,086623 ± 0,000241 Da
masstal248
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2003
Paritet+

248No Decay Modes
decay modeIntensitet
SF (spontaneous fission)%

249No

natural abundanceRadioactive ☢️
relative atomic mass
249,087802 ± 0,0003 Da
masstal249
g-factor
Halveringstid
57 ± 12 us
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum2003
Paritet+

249No Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)%
α (α emission)%

250No

natural abundanceRadioactive ☢️
relative atomic mass
250,087565 ± 0,000215 Da
masstal250
g-factor
0
Halveringstid
5,08 ± 0,27 us
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2003
Paritet+

250No Decay Modes
decay modeIntensitet
SF (spontaneous fission)100%
α (α emission)%
β+ (β+ decay; β+ = ϵ + e+)%

251No

natural abundanceRadioactive ☢️
relative atomic mass
251,088942 ± 0,000194 Da
masstal251
g-factor
Halveringstid
800 ± 10 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1967
Paritet+

251No Decay Modes
decay modeIntensitet
α (α emission)83%
β+ (β+ decay; β+ = ϵ + e+)%
SF (spontaneous fission)0.3%

252No

natural abundanceRadioactive ☢️
relative atomic mass
252,08896607 ± 0,000009975 Da
masstal252
g-factor
0
Halveringstid
2,467 ± 0,016 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1967
Paritet+

252No Decay Modes
decay modeIntensitet
α (α emission)67.6%
SF (spontaneous fission)31.3%
β+ (β+ decay; β+ = ϵ + e+)1.1%

253No

natural abundanceRadioactive ☢️
relative atomic mass
253,09056278 ± 0,00000742 Da
masstal253
g-factor
−0,11777777777778 ± 0,017777777777778
Halveringstid
1,57 ± 0,02 m
Spinn9/2
nuclear quadrupole moment
5,9 ± 1,7
upptäcktsdatum1967
Paritet-

253No Decay Modes
decay modeIntensitet
α (α emission)55%
β+ (β+ decay; β+ = ϵ + e+)%
SF (spontaneous fission)%

254No

natural abundanceRadioactive ☢️
relative atomic mass
254,090954211 ± 0,000010367 Da
masstal254
g-factor
0
Halveringstid
51,2 ± 0,4 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1966
Paritet+

254No Decay Modes
decay modeIntensitet
α (α emission)90%
β+ (β+ decay; β+ = ϵ + e+)10%
SF (spontaneous fission)0.17%

255No

natural abundanceRadioactive ☢️
relative atomic mass
255,093196439 ± 0,000015079 Da
masstal255
g-factor
Halveringstid
3,52 ± 0,18 m
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1967
Paritet+

255No Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)70%
α (α emission)30%

256No

natural abundanceRadioactive ☢️
relative atomic mass
256,094281912 ± 0,000008103 Da
masstal256
g-factor
0
Halveringstid
2,91 ± 0,05 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1963
Paritet+

256No Decay Modes
decay modeIntensitet
α (α emission)99.45%
SF (spontaneous fission)0.55%
ϵ (electron capture)%

257No

natural abundanceRadioactive ☢️
relative atomic mass
257,096884203 ± 0,000006652 Da
masstal257
g-factor
Halveringstid
24,5 ± 0,5 s
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1967
Paritet+

257No Decay Modes
decay modeIntensitet
α (α emission)85%
β+ (β+ decay; β+ = ϵ + e+)15%
SF (spontaneous fission)%

258No

natural abundanceRadioactive ☢️
relative atomic mass
258,098205 ± 0,000107 Da
masstal258
g-factor
0
Halveringstid
1,23 ± 0,12 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1989
Paritet+

258No Decay Modes
decay modeIntensitet
SF (spontaneous fission)100%
α (α emission)%

259No

natural abundanceRadioactive ☢️
relative atomic mass
259,100998364 ± 0,000006829 Da
masstal259
g-factor
Halveringstid
58 ± 5 m
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1973
Paritet+

259No Decay Modes
decay modeIntensitet
α (α emission)75%
ϵ (electron capture)25%
SF (spontaneous fission)10%

260No

natural abundanceRadioactive ☢️
relative atomic mass
260,102641 ± 0,000215 Da
masstal260
g-factor
0
Halveringstid
106 ± 8 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1985
Paritet+

260No Decay Modes
decay modeIntensitet
SF (spontaneous fission)100%

261No

natural abundanceRadioactive ☢️
relative atomic mass
261,105696 ± 0,000215 Da
masstal261
g-factor
Halveringstid
Spinn
nuclear quadrupole moment
upptäcktsdatum
Paritet

261No Decay Modes
decay modeIntensitet
α (α emission)%

262No

natural abundanceRadioactive ☢️
relative atomic mass
262,107463 ± 0,000387 Da
masstal262
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1988
Paritet+

262No Decay Modes
decay modeIntensitet
SF (spontaneous fission)100%
α (α emission)%

263No

natural abundanceRadioactive ☢️
relative atomic mass
263,110714 ± 0,000526 Da
masstal263
g-factor
Halveringstid
Spinn
nuclear quadrupole moment
upptäcktsdatum
Paritet

263No Decay Modes
decay modeIntensitet
α (α emission)%
SF (spontaneous fission)%

264No

natural abundanceRadioactive ☢️
relative atomic mass
264,112734 ± 0,000634 Da
masstal264
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum
Paritet+

264No Decay Modes
decay modeIntensitet
α (α emission)%
SF (spontaneous fission)%

historia

upptäckare eller uppfinnareNobel Institute for Physics
fyndplatsSweden
upptäcktsdatum1957
etymologiNamed in honor of Alfred Nobel, who invented dynamite and founded Nobel prize.
uttalno-BELL-i-em (engelska)

Sources

Förekomst
Abundance in Earth's crust
Abundance in Oceans
Abundance in Human Body
0 %
Abundance in Meteor
0 %
Abundance in Sun
0 %
Abundance in Universe
0 %

Nuclear Screening Constants