Nobelu (No)

chemical element with the atomic number of 102 and symbol No

Atomic Number	102
Atomic Weight	259
mass number	248

Group
Period	7
Block	f

Proton	102 p⁺
Netron	146 n⁰
Eléktron	102 e^-

Physical Property

Atomic Radius
molar volume
covalent radius	176 pm
Metallic Radius
ionic radius	110 pm 108,5 pm
Crystal Radius	124 pm 122,5 pm
Van der Waals radius	246 pm 324,8 pm
density	9,9 g/cm³

Chemical Property

molungé

proton affinity
electron affinity
ionization energy	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

enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Eléktron

electron shell	2, 8, 18, 32, 32, 8, 2

valence electron	2 ⓘ

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

oxidation number	2, 3
electronegativity	0.246
Electrophilicity Index
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point
Melting Point	1.100,15 K
critical pressure
critical temperature
triple point
appearance
Lángi	Colorless #ffffff #bd0d87 #bd0d87
appearance
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure	()
lattice constant
Lattice Angles
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
Category	Actinides, Actinides
CAS Group
IUPAC Group
Glawe Number	46
Mendeleev Number	40
Pettifor Number	35
Geochemical Class
Goldschmidt classification	synthetic

other

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

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
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2003
parity	+

decay mode	intensity
SF (spontaneous fission)

²⁴⁹No

mass number	249
neutron number	147
Relative Atomic Mass	249,087802 ± 0,0003 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	57 ± 12 us
spin	5/2
nuclear quadrupole moment
time of discovery or invention	2003
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	5,08 ± 0,27 us
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2003
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	800 ± 10 ms
spin	7/2
nuclear quadrupole moment
time of discovery or invention	1967
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	2,467 ± 0,016 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1967
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	1,57 ± 0,02 m
spin	9/2
nuclear quadrupole moment	5,9 ± 1,7
time of discovery or invention	1967
parity	-

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	51,2 ± 0,4 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1966
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	3,52 ± 0,18 m
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1967
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	2,91 ± 0,05 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1963
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	24,5 ± 0,5 s
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1967
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	1,23 ± 0,12 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1989
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	58 ± 5 m
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1973
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life	106 ± 8 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1985
parity	+

decay mode	intensity
SF (spontaneous fission)	100%

²⁶¹No

mass number	261
neutron number	159
Relative Atomic Mass	261,105696 ± 0,000215 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay mode	intensity
α (α emission)

²⁶²No

mass number	262
neutron number	160
Relative Atomic Mass	262,107463 ± 0,000387 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1988
parity	+

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay mode	intensity
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
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention
parity	+

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

lisoló

discoverer or inventor	Nobel Institute for Physics
location of discovery	Sweden
time of discovery or invention	1957
etymology	Named in honor of Alfred Nobel, who invented dynamite and founded Nobel prize.
pronunciation	no-BELL-i-em (lingɛlɛ́sa)

source

Abundance
Abundance in Earth's crust
natural abundance (ocean)
natural abundance (human body)	0 %
natural abundance (meteoroid)	0 %
natural abundance (Mói)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Nobelu on ChemicalAid

nobelium

Australian Educational Vocabulary ID	scot/3551
CAS Registry Number	10028-14-5
ChEBI ID	33396
ChemSpider ID	23207
DSSTOX compound identifier	DTXCID8065585
DSSTox substance ID	DTXSID70143094
Den Store Danske ID	nobelium
Elhuyar ZTH ID	028703
Encyclopædia Britannica Online ID	science/nobelium
Freebase ID	/m/025s4s4
French Vikidia ID	Nobélium
GND ID	4171959-1
Gran Enciclopèdia Catalana ID	0126480
Great Russian Encyclopedia Online ID	2665396
InChI	InChI=1S/No
InChIKey	ORQBXQOJMQIAOY-UHFFFAOYSA-N
KBpedia ID	Nobelium
MeSH descriptor ID	D009614
OmegaWiki Defined Meaning	339858
PubChem CID	24822
Römpp online ID	RD-14-01565
Store norske leksikon ID	nobelium
Treccani ID	nobelio
UNII	2ZRJ207R3E
USGS Thesaurus ID	1524
WordNet 3.1 Synset ID	14671900-n

Nobelu (No)

Physical Property

Chemical Property

other

Isotopes of Nobelium

248No

249No

250No

251No

252No

253No

254No

255No

256No

257No

258No

259No

260No

261No

262No

263No

264No

lisoló

source

Nuclear Screening Constants

²⁴⁸No

²⁴⁹No

²⁵⁰No

²⁵¹No

²⁵²No

²⁵³No

²⁵⁴No

²⁵⁵No

²⁵⁶No

²⁵⁷No

²⁵⁸No

²⁵⁹No

²⁶⁰No

²⁶¹No

²⁶²No

²⁶³No

²⁶⁴No