Уран

Уран (U)

radioactive, metallic element with the atomic number 92
Atomic Number92
Atomic Weight238.02891
Адади массавӣ238
Group
Period7
Blockf
proton92 p+
neutron146 n0
electron92 e-
Animated Bohr model of U (Уран)

Properties

хусусияти физикӣ
atomic radius
175 pm
molar volume
covalent radius
170 pm
Metallic Radius
ionic radius
102,5 pm
Crystal Radius
116,5 pm
Van der Waals radius
241 pm
зичӣ
19,1 g/cm³
энергия
proton affinity
995,2 kJ/mol
electron affinity
ionization energy
6,19405 eV/particle
ionization energy of U (Уран)
enthalpy of vaporization
417 kJ/mol
гармои гудозиш
12,6 kJ/mol
standard enthalpy of formation
533 kJ/mol
electron
Абри электронӣ2, 8, 18, 32, 21, 9, 2
Bohr model: U (Уран)
valence electron2
Lewis structure: U (Уран)
electron configuration[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 (Уран)
Orbital Diagram of U (Уран)
oxidation number-1, 1, 2, 3, 4, 5, 6
electronegativity
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
Ранг
Silver
appearance
refractive index
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
heat capacity ratio
electrical properties
навъConductor
electrical conductivity
3,6 MS/m
electrical resistivity
0,00000028 m Ω
superconductivity
0,69 K
magnetism
навъparamagnetic
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
сохт
Crystal StructureBase Centered Orthorhombic (ORC)
lattice constant
2,85 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
6 MPa
bulk modulus
100 GPa
shear modulus
111 GPa
Young's modulus
208 GPa
Poisson's ratio
0,23
speed of sound
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
ададҳои квантӣ5L6
space group63 (Cmcm)

Isotopes of Uranium

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

215U

Адади массавӣ215
neutron number123
relative atomic mass
215,026719774 ± 0,000111794 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,4 ± 0,9 ms
spin5/2
nuclear quadrupole moment
таърихи кашф2015
parity-

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

216U

Адади массавӣ216
neutron number124
relative atomic mass
216,024762829 ± 0,000030158 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
6,9 ± 2,9 ms
spin0
nuclear quadrupole moment
0
таърихи кашф2015
parity+

decay modeintensity
α (α emission)100%

217U

Адади массавӣ217
neutron number125
relative atomic mass
217,02466 ± 0,000086 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
850 ± 710 us
spin1/2
nuclear quadrupole moment
0
таърихи кашф2000
parity-

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

218U

Адади массавӣ218
neutron number126
relative atomic mass
218,023504877 ± 0,000014722 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
354 ± 91 us
spin0
nuclear quadrupole moment
0
таърихи кашф1992
parity+

decay modeintensity
α (α emission)100%

219U

Адади массавӣ219
neutron number127
relative atomic mass
219,025009233 ± 0,000014319 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
60 ± 7 us
spin9/2
nuclear quadrupole moment
таърихи кашф1993
parity+

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

220U

Адади массавӣ220
neutron number128
relative atomic mass
220,024706 ± 0,000108 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф
parity+

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

221U

Адади массавӣ221
neutron number129
relative atomic mass
221,026323297 ± 0,00007744 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
660 ± 140 ns
spin9/2
nuclear quadrupole moment
таърихи кашф2015
parity+

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

222U

Адади массавӣ222
neutron number130
relative atomic mass
222,026057957 ± 0,000055817 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
4,7 ± 0,7 us
spin0
nuclear quadrupole moment
0
таърихи кашф1983
parity+

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

223U

Адади массавӣ223
neutron number131
relative atomic mass
223,027960754 ± 0,000063396 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
65 ± 12 us
spin7/2
nuclear quadrupole moment
таърихи кашф1991
parity+

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

224U

Адади массавӣ224
neutron number132
relative atomic mass
224,027635913 ± 0,000016383 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
396 ± 17 us
spin0
nuclear quadrupole moment
0
таърихи кашф1991
parity+

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

225U

Адади массавӣ225
neutron number133
relative atomic mass
225,02938505 ± 0,000010664 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
62 ± 4 ms
spin5/2
nuclear quadrupole moment
таърихи кашф1989
parity+

decay modeintensity
α (α emission)100%

226U

Адади массавӣ226
neutron number134
relative atomic mass
226,029338669 ± 0,000011884 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
269 ± 6 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1973
parity+

decay modeintensity
α (α emission)100%

227U

Адади массавӣ227
neutron number135
relative atomic mass
227,031181124 ± 0,000009136 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,1 ± 0,1 m
spin3/2
nuclear quadrupole moment
таърихи кашф1952
parity+

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

228U

Адади массавӣ228
neutron number136
relative atomic mass
228,031368959 ± 0,000014465 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
9,1 ± 0,2 m
spin0
nuclear quadrupole moment
0
таърихи кашф1949
parity+

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

229U

Адади массавӣ229
neutron number137
relative atomic mass
229,033505976 ± 0,000006374 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
57,8 ± 0,5 m
spin3/2
nuclear quadrupole moment
таърихи кашф1949
parity+

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

230U

Адади массавӣ230
neutron number138
relative atomic mass
230,033940114 ± 0,000004841 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
20,23 ± 0,02 d
spin0
nuclear quadrupole moment
0
таърихи кашф1948
parity+

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

231U

Адади массавӣ231
neutron number139
relative atomic mass
231,03629218 ± 0,000002866 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,2 ± 0,1 d
spin5/2
nuclear quadrupole moment
таърихи кашф1949
parity+

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

232U

Адади массавӣ232
neutron number140
relative atomic mass
232,037154765 ± 0,000001941 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
68,9 ± 0,4 y
spin0
nuclear quadrupole moment
0
таърихи кашф1949
parity+

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

233U

Адади массавӣ233
neutron number141
relative atomic mass
233,039634294 ± 0,00000242 Da
g-factor
-0,236 ± 0,02
natural abundance
radioactivity☢️ radioactive element
half-life
159,19 ± 0,15 ky
spin5/2
nuclear quadrupole moment
3,663 ± 0,008
таърихи кашф1947
parity+

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

234U

Адади массавӣ234
neutron number142
relative atomic mass
234,040950296 ± 0,000001212 Da
g-factor
0
natural abundance
0,0054 ± 0,0005
radioactivity☢️ radioactive element
half-life
245,5 ± 0,6 ky
spin0
nuclear quadrupole moment
0
таърихи кашф1912
parity+

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

235U

Адади массавӣ235
neutron number143
relative atomic mass
235,043928117 ± 0,000001198 Da
g-factor
-0,10857142857143 ± 0,0085714285714286
natural abundance
0,7204 ± 0,0006
radioactivity☢️ radioactive element
half-life
704 ± 1 My
spin7/2
nuclear quadrupole moment
4,936 ± 0,006
таърихи кашф1935
parity-

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

236U

Адади массавӣ236
neutron number144
relative atomic mass
236,04556613 ± 0,000001193 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
23,42 ± 0,04 My
spin0
nuclear quadrupole moment
0
таърихи кашф1951
parity+

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

237U

Адади массавӣ237
neutron number145
relative atomic mass
237,048728309 ± 0,00000129 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6,752 ± 0,002 d
spin1/2
nuclear quadrupole moment
0
таърихи кашф1940
parity+

decay modeintensity
β (β decay)100%

238U

Адади массавӣ238
neutron number146
relative atomic mass
238,050786936 ± 0,000001601 Da
g-factor
0
natural abundance
99,2742 ± 0,001
radioactivity☢️ radioactive element
half-life
4,463 ± 0,003 Gy
spin0
nuclear quadrupole moment
0
таърихи кашф1896
parity+

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

239U

Адади массавӣ239
neutron number147
relative atomic mass
239,054291989 ± 0,000001612 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
23,45 ± 0,02 m
spin5/2
nuclear quadrupole moment
таърихи кашф1937
parity+

decay modeintensity
β (β decay)100%

240U

Адади массавӣ240
neutron number148
relative atomic mass
240,056592411 ± 0,00000274 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
14,1 ± 0,1 h
spin0
nuclear quadrupole moment
0
таърихи кашф1953
parity+

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

241U

Адади массавӣ241
neutron number149
relative atomic mass
241,06033 ± 0,00021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
таърихи кашф
parity+

decay modeintensity
β (β decay)

242U

Адади массавӣ242
neutron number150
relative atomic mass
242,062931 ± 0,000215 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
16,8 ± 0,5 m
spin0
nuclear quadrupole moment
0
таърихи кашф1979
parity+

decay modeintensity
β (β decay)100%

243U

Адади массавӣ243
neutron number151
relative atomic mass
243,067075 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
таърихи кашф
parity-

decay modeintensity
β (β decay)
Uranium2

таърих

кошифMartin Klaproth
макони кашфGermany
таърихи кашф1789
РешашиносӣNamed for the planet Uranus.
pronunciationyoo-RAY-ni-em (англисӣ)

source

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

Nuclear Screening Constants