Uraan

Uraan (U)

radioactive, metallic element with the atomic number 92
Atomic Number92
Atomic Weight238.02891
Massagetal238
Group
Period7
Blockf
proton92 p+
neutron146 n0
elektron92 e-
Animated Bohr model of U (Uraan)

Physical Property

Atoomradius
175 pm
molar volume
Covalent Radius
170 pm
Metallic Radius
Ioonradius
102,5 pm
Crystal Radius
116,5 pm
Van der Waals radius
241 pm
density
19,1 g/cm³
Atomic Radii Of The Elements: Uraan0255075100125150175200225250pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
995,2 kJ/mol
electron affinity
ionization energy
6,19405 eV/particle
ionization energy of U (Uraan)
Verdampingswarmte
417 kJ/mol
smeltingswarmte
12,6 kJ/mol
Vormingsentalpie
533 kJ/mol
elektron
Elektronskil2, 8, 18, 32, 21, 9, 2
Bohr model: U (Uraan)
Valenselektrone2
Lewisteorie: U (Uraan)
elektronkonfigurasie[Rn] 5f3 6d1 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f3 6d1 7s2
Enhanced Bohr model of U (Uraan)
Orbital Diagram of U (Uraan)
Oksidasietoestand-1, 1, 2, 3, 4, 5, 6
Elektronegatiwiteit
1.7
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
4 404,15 K
Melting Point
1 408,15 K
critical pressure
critical temperature
triple point
appearance
kleur
Silver
appearance
Brekingsindeks
thermodynamic material property
Thermal Conductivity
27,5 W/(m K)
thermal expansion
0,0000139 1/K
molar heat capacity
27,665 J/(mol K)
Specific Heat Capacity
0,116 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Geleidingsvermoë
3,6 MS/m
Elektriese resistiwiteit
0,00000028 m Ω
superconductivity
0,69 K
Magnetisme
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000216 m³/Kg
magnetic susceptibility (Molar)
0,00000000514 m³/mol
magnetic susceptibility (Volume)
0,000411
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureBase Centered Orthorhombic (ORC)
lattice constant
2,85 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
6 MPa
Massamodulus
100 GPa
Skuifmodulus
111 GPa
Young se modulus
208 GPa
Poisson se verhouding
0,23
Spoed van klank
3 155 m/s
classification
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number36
Mendeleev Number20
Pettifor Number45
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
973,2 kJ/mol
polarizability
129 ± 17 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
7,57
Neutron Mass Absorption
0,0005
quantum number5L6
Ruimtegroep63 (Cmcm)

Isotopes of Uranium

Stable Isotopes0
Unstable Isotopes29
Natural Isotopes3
Isotopic Composition23899.27%23899.27%2340.01%2340.01%2350.72%2350.72%

215U

Massagetal215
neutron number123
relative atomic mass
215,026719774 ± 0,000111794 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,4 ± 0,9 ms
spin5/2
nuclear quadrupole moment
ontdekkingsdatum2015
parity-

decay modeintensity
α (α emission)
β+ (β+ decay; β+ = ϵ + e+)

216U

Massagetal216
neutron number124
relative atomic mass
216,024762829 ± 0,000030158 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,9 ± 2,9 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2015
parity+

decay modeintensity
α (α emission)100%

217U

Massagetal217
neutron number125
relative atomic mass
217,02466 ± 0,000086 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
850 ± 710 us
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum2000
parity-

decay modeintensity
α (α emission)100%
β (β decay)

218U

Massagetal218
neutron number126
relative atomic mass
218,023504877 ± 0,000014722 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
354 ± 91 us
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1992
parity+

decay modeintensity
α (α emission)100%

219U

Massagetal219
neutron number127
relative atomic mass
219,025009233 ± 0,000014319 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
60 ± 7 us
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1993
parity+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

220U

Massagetal220
neutron number128
relative atomic mass
220,024706 ± 0,000108 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum
parity+

decay modeintensity
α (α emission)
β+ (β+ decay; β+ = ϵ + e+)

221U

Massagetal221
neutron number129
relative atomic mass
221,026323297 ± 0,00007744 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
660 ± 140 ns
spin9/2
nuclear quadrupole moment
ontdekkingsdatum2015
parity+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

222U

Massagetal222
neutron number130
relative atomic mass
222,026057957 ± 0,000055817 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,7 ± 0,7 us
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1983
parity+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

223U

Massagetal223
neutron number131
relative atomic mass
223,027960754 ± 0,000063396 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
65 ± 12 us
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1991
parity+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

224U

Massagetal224
neutron number132
relative atomic mass
224,027635913 ± 0,000016383 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
396 ± 17 us
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1991
parity+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

225U

Massagetal225
neutron number133
relative atomic mass
225,02938505 ± 0,000010664 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
62 ± 4 ms
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1989
parity+

decay modeintensity
α (α emission)100%

226U

Massagetal226
neutron number134
relative atomic mass
226,029338669 ± 0,000011884 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
269 ± 6 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1973
parity+

decay modeintensity
α (α emission)100%

227U

Massagetal227
neutron number135
relative atomic mass
227,031181124 ± 0,000009136 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,1 ± 0,1 m
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1952
parity+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

228U

Massagetal228
neutron number136
relative atomic mass
228,031368959 ± 0,000014465 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
9,1 ± 0,2 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1949
parity+

decay modeintensity
α (α emission)97.5%
ϵ (electron capture)2.5%

229U

Massagetal229
neutron number137
relative atomic mass
229,033505976 ± 0,000006374 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
57,8 ± 0,5 m
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1949
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)80%
α (α emission)20%

230U

Massagetal230
neutron number138
relative atomic mass
230,033940114 ± 0,000004841 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
20,23 ± 0,02 d
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1948
parity+

decay modeintensity
α (α emission)100%
22Ne4.8%
SF (spontaneous fission)

231U

Massagetal231
neutron number139
relative atomic mass
231,03629218 ± 0,000002866 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,2 ± 0,1 d
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1949
parity+

decay modeintensity
ϵ (electron capture)100%
α (α emission)0.004%

232U

Massagetal232
neutron number140
relative atomic mass
232,037154765 ± 0,000001941 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
68,9 ± 0,4 y
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1949
parity+

decay modeintensity
α (α emission)100%
24Ne (heavy cluster emission)8.9%
SF (spontaneous fission)2.7%
28Mg5%

233U

Massagetal233
neutron number141
relative atomic mass
233,039634294 ± 0,00000242 Da
g-factor
-0,236 ± 0,02
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
159,19 ± 0,15 ky
spin5/2
nuclear quadrupole moment
3,663 ± 0,008
ontdekkingsdatum1947
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)6%
24Ne (heavy cluster emission)7.2%
28Mg1.3%

234U

Massagetal234
neutron number142
relative atomic mass
234,040950296 ± 0,000001212 Da
g-factor
0
natural abundance
0,0054 ± 0,0005
radioaktiwiteit☢️ radioactive element
Halfleeftyd
245,5 ± 0,6 ky
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1912
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)1.64%
28Mg1.4%
26Ne9%

235U

Massagetal235
neutron number143
relative atomic mass
235,043928117 ± 0,000001198 Da
g-factor
-0,10857142857143 ± 0,0085714285714286
natural abundance
0,7204 ± 0,0006
radioaktiwiteit☢️ radioactive element
Halfleeftyd
704 ± 1 My
spin7/2
nuclear quadrupole moment
4,936 ± 0,006
ontdekkingsdatum1935
parity-

decay modeintensity
α (α emission)100%
SF (spontaneous fission)7%
20Ne8%
25Ne8%
28Mg8%

236U

Massagetal236
neutron number144
relative atomic mass
236,04556613 ± 0,000001193 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
23,42 ± 0,04 My
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1951
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)9.4%

237U

Massagetal237
neutron number145
relative atomic mass
237,048728309 ± 0,00000129 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,752 ± 0,002 d
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1940
parity+

decay modeintensity
β (β decay)100%

238U

Massagetal238
neutron number146
relative atomic mass
238,050786936 ± 0,000001601 Da
g-factor
0
natural abundance
99,2742 ± 0,001
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,463 ± 0,003 Gy
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1896
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)5.44%
(double β decay)2.2%

239U

Massagetal239
neutron number147
relative atomic mass
239,054291989 ± 0,000001612 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
23,45 ± 0,02 m
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1937
parity+

decay modeintensity
β (β decay)100%

240U

Massagetal240
neutron number148
relative atomic mass
240,056592411 ± 0,00000274 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
14,1 ± 0,1 h
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1953
parity+

decay modeintensity
β (β decay)100%
α (α emission)

241U

Massagetal241
neutron number149
relative atomic mass
241,06033 ± 0,00021 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin7/2
nuclear quadrupole moment
ontdekkingsdatum
parity+

decay modeintensity
β (β decay)

242U

Massagetal242
neutron number150
relative atomic mass
242,062931 ± 0,000215 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
16,8 ± 0,5 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1979
parity+

decay modeintensity
β (β decay)100%

243U

Massagetal243
neutron number151
relative atomic mass
243,067075 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin9/2
nuclear quadrupole moment
ontdekkingsdatum
parity-

decay modeintensity
β (β decay)
Uranium2

geskiedenis

Ontdek deurMartin Klaproth
ligging van ontdekkingGermany
ontdekkingsdatum1789
etimologieNamed for the planet Uranus.
uitspraakyoo-RAY-ni-em (Engels)

source

Abundance
Abundance in Earth's crust
2,7 mg/kg
natural abundance (oseaan)
0,0032 mg/L
natural abundance (human body)
0,0000001 %
natural abundance (Meteoroïde)
0,00000098 %
natural abundance (Son)
0,0000001 %
Abundance in Universe
0,00000002 %

Nuclear Screening Constants