Nobelium (No)

grundstof med atomnummer 102

Atomnummer	102
Atommasse	259
mass number	248

Gruppe
Periode	7
Blok	f

proton	102 p⁺
neutron	146 n⁰
elektron	102 e^-

Animated Bohrs atommodel of No (Nobelium)

Fysisk Egenskab

Atomradius
molar volume
Kovalent Radius	176 pm
Metallic Radius
Ionisk radius	110 pm 108,5 pm
Crystal Radius	124 pm 122,5 pm
Van der Waals-radius	246 pm 324,8 pm
massefylde	9,9 g/cm³

Kemisk Egenskab

{ERROR}

energi

proton affinity
electron affinity
ioniseringsenergi	6,65 eV/particle 12,5 eV/particle 25,8 eV/particle 41,5 eV/particle 60 eV/particle 74 eV/particle 97 eV/particle 119 eV/particle 140 eV/particle 170 eV/particle 187 eV/particle 216 eV/particle 246 eV/particle 267 eV/particle 290 eV/particle 312 eV/particle 341 eV/particle 367 eV/particle 394 eV/particle 420 eV/particle 448 eV/particle 475 eV/particle 496 eV/particle 520 eV/particle 701 eV/particle 734 eV/particle 768 eV/particle 805 eV/particle 840 eV/particle 875 eV/particle 934 eV/particle 969 eV/particle 1.010 eV/particle 1.045 eV/particle 1.220 eV/particle 1.260 eV/particle 1.300 eV/particle 1.340 eV/particle 1.500 eV/particle 1.550 eV/particle 1.680 eV/particle 1.730 eV/particle 1.920 eV/particle 2.010 eV/particle 2.100 eV/particle 2.200 eV/particle 2.290 eV/particle 2.380 eV/particle 2.470 eV/particle 2.570 eV/particle 2.680 eV/particle 2.760 eV/particle 2.860 eV/particle 2.950 eV/particle 3.050 eV/particle 3.140 eV/particle 3.627 eV/particle 3.705 eV/particle 3.790 eV/particle 3.878 eV/particle 3.962 eV/particle 4.045 eV/particle 4.234 eV/particle 4.320 eV/particle 4.413 eV/particle 4.500 eV/particle 4.850 eV/particle 4.930 eV/particle 5.030 eV/particle 5.110 eV/particle 5.750 eV/particle 5.850 eV/particle 6.110 eV/particle 6.210 eV/particle 9.680 eV/particle 9.860 eV/particle 10.060 eV/particle 10.270 eV/particle 10.470 eV/particle 10.660 eV/particle 11.200 eV/particle 11.410 eV/particle 11.630 eV/particle 11.840 eV/particle 12.420 eV/particle 12.600 eV/particle 12.800 eV/particle 12.980 eV/particle 15.000 eV/particle 15.200 eV/particle 15.600 eV/particle 15.800 eV/particle 31.700 eV/particle 32.200 eV/particle 32.700 eV/particle 33.200 eV/particle 40.500 eV/particle 41.200 eV/particle 42.100 eV/particle 42.632 eV/particle 168.806 eV/particle

Fordampningsvarme
smeltevarme
standard enthalpy of formation
elektron

Elektronskal	2, 8, 18, 32, 32, 8, 2

Valenselektron	2 ⓘ

electron configuration	[Rn] 5f¹⁴ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 7s²

Oxidationstrin	2, 3
Elektronegativitet	0.246
Electrophilicity Index
fundamental state of matter

stoffase
gaseous state of matter
Kogepunkt
Smeltepunkt	1.100,15 K
critical pressure
critical temperature
trippelpunkt
appearance
farve	Sort #ffffff #bd0d87 #bd0d87
appearance
Brydningsindeks
materialeegenskab
Varmeledningsevne
Termisk ekspansion
molar heat capacity
Varmefylde
Adiabateksponenten
electrical properties
type
specifik ledningsevne
Elektrisk resistivitet
superledning
Magnetisme
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curietemperaturen
Néel temperature
struktur
Krystalstruktur	{ERROR}
lattice constant
Lattice Angles
mechanical property
hårdhed
Kompressibilitetsmodul
Forskydningsmodul
E-modul
Poissons forhold
speed of sound
klassificering
Kategori	Actinider, Actinides
CAS Group
IUPAC Group
Glawe Number	46
Mendeleev Number	40
Pettifor Number	35
Geochemical Class
Goldschmidt classification	synthetic

øvrige

Gas Basicity
polarizability	110 ± 6 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	1S0
rumgruppe	()

Isotopes of Nobelium

Stable Isotopes	0
Unstable Isotopes	17
Natural Isotopes	0

²⁴⁸No

mass number	248
neutron number	146
Relative Atomic Mass	248,086623 ± 0,000241 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato	2003
Paritet	+

decay mode	Intensitet
SF (spontaneous fission)

²⁴⁹No

mass number	249
neutron number	147
Relative Atomic Mass	249,087802 ± 0,0003 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	57 ± 12 us
spin	5/2
nuclear quadrupole moment
opdagelsesdato	2003
Paritet	+

decay mode	Intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)

²⁵⁰No

mass number	250
neutron number	148
Relative Atomic Mass	250,087565 ± 0,000215 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	5,08 ± 0,27 us
spin	0
nuclear quadrupole moment	0
opdagelsesdato	2003
Paritet	+

decay mode	Intensitet
SF (spontaneous fission)	100%
α (α emission)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁵¹No

mass number	251
neutron number	149
Relative Atomic Mass	251,088942 ± 0,000194 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	800 ± 10 ms
spin	7/2
nuclear quadrupole moment
opdagelsesdato	1967
Paritet	+

decay mode	Intensitet
α (α emission)	83%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
SF (spontaneous fission)	0.3%

²⁵²No

mass number	252
neutron number	150
Relative Atomic Mass	252,08896607 ± 0,000009975 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	2,467 ± 0,016 s
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1967
Paritet	+

decay mode	Intensitet
α (α emission)	67.6%
SF (spontaneous fission)	31.3%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	1.1%

²⁵³No

mass number	253
neutron number	151
Relative Atomic Mass	253,09056278 ± 0,00000742 Da
g-factor	-0,11777777777778 ± 0,017777777777778
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1,57 ± 0,02 m
spin	9/2
nuclear quadrupole moment	5,9 ± 1,7
opdagelsesdato	1967
Paritet	-

decay mode	Intensitet
α (α emission)	55%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
SF (spontaneous fission)

²⁵⁴No

mass number	254
neutron number	152
Relative Atomic Mass	254,090954211 ± 0,000010367 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	51,2 ± 0,4 s
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1966
Paritet	+

decay mode	Intensitet
α (α emission)	90%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	10%
SF (spontaneous fission)	0.17%

²⁵⁵No

mass number	255
neutron number	153
Relative Atomic Mass	255,093196439 ± 0,000015079 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	3,52 ± 0,18 m
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1967
Paritet	+

decay mode	Intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	70%
α (α emission)	30%

²⁵⁶No

mass number	256
neutron number	154
Relative Atomic Mass	256,094281912 ± 0,000008103 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	2,91 ± 0,05 s
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1963
Paritet	+

decay mode	Intensitet
α (α emission)	99.45%
SF (spontaneous fission)	0.55%
ϵ (electron capture)

²⁵⁷No

mass number	257
neutron number	155
Relative Atomic Mass	257,096884203 ± 0,000006652 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	24,5 ± 0,5 s
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1967
Paritet	+

decay mode	Intensitet
α (α emission)	85%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	15%
SF (spontaneous fission)

²⁵⁸No

mass number	258
neutron number	156
Relative Atomic Mass	258,098205 ± 0,000107 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1,23 ± 0,12 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1989
Paritet	+

decay mode	Intensitet
SF (spontaneous fission)	100%
α (α emission)

²⁵⁹No

mass number	259
neutron number	157
Relative Atomic Mass	259,100998364 ± 0,000006829 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	58 ± 5 m
spin	9/2
nuclear quadrupole moment
opdagelsesdato	1973
Paritet	+

decay mode	Intensitet
α (α emission)	75%
ϵ (electron capture)	25%
SF (spontaneous fission)	10%

²⁶⁰No

mass number	260
neutron number	158
Relative Atomic Mass	260,102641 ± 0,000215 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	106 ± 8 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1985
Paritet	+

decay mode	Intensitet
SF (spontaneous fission)	100%

²⁶¹No

mass number	261
neutron number	159
Relative Atomic Mass	261,105696 ± 0,000215 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)

²⁶²No

mass number	262
neutron number	160
Relative Atomic Mass	262,107463 ± 0,000387 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1988
Paritet	+

decay mode	Intensitet
SF (spontaneous fission)	100%
α (α emission)

²⁶³No

mass number	263
neutron number	161
Relative Atomic Mass	263,110714 ± 0,000526 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)
SF (spontaneous fission)

²⁶⁴No

mass number	264
neutron number	162
Relative Atomic Mass	264,112734 ± 0,000634 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato
Paritet	+

decay mode	Intensitet
α (α emission)
SF (spontaneous fission)

historie

opdager eller opfinder	Nobel Institute for Physics
fundsted	Sweden
opdagelsesdato	1957
etymologi	Named in honor of Alfred Nobel, who invented dynamite and founded Nobel prize.
udtale	no-BELL-i-em (engelsk)

source

Forekomst
Abundance in Earth's crust
natural abundance (verdenshave)
natural abundance (menneskelige krop)	0 %
natural abundance (Meteoroid)	0 %
natural abundance (Solen)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Nobelium on ChemicalAid

Nobelium (No)

Fysisk Egenskab

Kemisk Egenskab

øvrige

Isotopes of Nobelium

248No

249No

250No

251No

252No

253No

254No

255No

256No

257No

258No

259No

260No

261No

262No

263No

264No

historie

source

Nuclear Screening Constants

²⁴⁸No

²⁴⁹No

²⁵⁰No

²⁵¹No

²⁵²No

²⁵³No

²⁵⁴No

²⁵⁵No

²⁵⁶No

²⁵⁷No

²⁵⁸No

²⁵⁹No

²⁶⁰No

²⁶¹No

²⁶²No

²⁶³No

²⁶⁴No