Nobeli (No)

chemical element with the atomic number of 102 and symbol No

Atomic Number	102
Atomic Weight	259
Rhif màs	248

Group
Period	7
Block	f

Proton	102 p⁺
Niwtron	146 n⁰
Electron	102 e^-

Nodwedd Ffisegol

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

Nodwedd Gemegol

egni

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
Electron

plisgyn yr electron	2, 8, 18, 32, 32, 8, 2

valence electron	2 ⓘ

trefn yr electronnau	[Rn] 5f¹⁴ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 7s²

Cyflwr ocsidiad	2, 3
Electronegatifedd	0.246
Electrophilicity Index
cyflwr sylfaenol mater

cyflwr mater	Solid
gaseous state of matter
Boiling Point
Melting Point	1,100.15 K
critical pressure
critical temperature
triple point
appearance
lliw	Colorless #ffffff #bd0d87 #bd0d87
appearance
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal Structure	()
lattice constant
Lattice Angles
nodwedd mecanyddol deunyddiau
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

Rhif màs	248
neutron number	146
Relative Atomic Mass	248.086623 ± 0.000241 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2003
parity	+

decay mode	intensity
SF (spontaneous fission)

²⁴⁹No

Rhif màs	249
neutron number	147
Relative Atomic Mass	249.087802 ± 0.0003 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	57 ± 12 us
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	2003
parity	+

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

²⁵⁰No

Rhif màs	250
neutron number	148
Relative Atomic Mass	250.087565 ± 0.000215 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	5.08 ± 0.27 us
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2003
parity	+

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

²⁵¹No

Rhif màs	251
neutron number	149
Relative Atomic Mass	251.088942 ± 0.000194 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	800 ± 10 ms
spin	7/2
nuclear quadrupole moment
dyddiad darganfod	1967
parity	+

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

²⁵²No

Rhif màs	252
neutron number	150
Relative Atomic Mass	252.08896607 ± 0.000009975 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.467 ± 0.016 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1967
parity	+

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

²⁵³No

Rhif màs	253
neutron number	151
Relative Atomic Mass	253.09056278 ± 0.00000742 Da
g-factor	-0.11777777777778 ± 0.017777777777778
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.57 ± 0.02 m
spin	9/2
nuclear quadrupole moment	5.9 ± 1.7
dyddiad darganfod	1967
parity	-

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

²⁵⁴No

Rhif màs	254
neutron number	152
Relative Atomic Mass	254.090954211 ± 0.000010367 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	51.2 ± 0.4 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1966
parity	+

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

²⁵⁵No

Rhif màs	255
neutron number	153
Relative Atomic Mass	255.093196439 ± 0.000015079 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	3.52 ± 0.18 m
spin	1/2
nuclear quadrupole moment	0
dyddiad darganfod	1967
parity	+

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

²⁵⁶No

Rhif màs	256
neutron number	154
Relative Atomic Mass	256.094281912 ± 0.000008103 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.91 ± 0.05 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1963
parity	+

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

²⁵⁷No

Rhif màs	257
neutron number	155
Relative Atomic Mass	257.096884203 ± 0.000006652 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	24.5 ± 0.5 s
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1967
parity	+

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

²⁵⁸No

Rhif màs	258
neutron number	156
Relative Atomic Mass	258.098205 ± 0.000107 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.23 ± 0.12 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1989
parity	+

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

²⁵⁹No

Rhif màs	259
neutron number	157
Relative Atomic Mass	259.100998364 ± 0.000006829 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	58 ± 5 m
spin	9/2
nuclear quadrupole moment
dyddiad darganfod	1973
parity	+

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

²⁶⁰No

Rhif màs	260
neutron number	158
Relative Atomic Mass	260.102641 ± 0.000215 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	106 ± 8 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1985
parity	+

decay mode	intensity
SF (spontaneous fission)	100%

²⁶¹No

Rhif màs	261
neutron number	159
Relative Atomic Mass	261.105696 ± 0.000215 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay mode	intensity
α (α emission)

²⁶²No

Rhif màs	262
neutron number	160
Relative Atomic Mass	262.107463 ± 0.000387 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1988
parity	+

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

²⁶³No

Rhif màs	263
neutron number	161
Relative Atomic Mass	263.110714 ± 0.000526 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

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

²⁶⁴No

Rhif màs	264
neutron number	162
Relative Atomic Mass	264.112734 ± 0.000634 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod
parity	+

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

hanes

darganfyddwr neu ddyfeisiwr	Nobel Institute for Physics
man darganfod	Sweden
dyddiad darganfod	1957
geirdarddiad	Named in honor of Alfred Nobel, who invented dynamite and founded Nobel prize.
ynganiad	no-BELL-i-em (Saesneg)

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
natural abundance (corff dynol)	0 %
natural abundance (Awyrfaen)	0 %
natural abundance (Haul)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Nobeli on ChemicalAid

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

Nobeli (No)

Nodwedd Ffisegol

Nodwedd Gemegol

other

Isotopes of Nobelium

248No

249No

250No

251No

252No

253No

254No

255No

256No

257No

258No

259No

260No

261No

262No

263No

264No

hanes

source

Nuclear Screening Constants

²⁴⁸No

²⁴⁹No

²⁵⁰No

²⁵¹No

²⁵²No

²⁵³No

²⁵⁴No

²⁵⁵No

²⁵⁶No

²⁵⁷No

²⁵⁸No

²⁵⁹No

²⁶⁰No

²⁶¹No

²⁶²No

²⁶³No

²⁶⁴No