Uranij[um]

Uranij[um] (U)

hemijski element sa simbolom U i atomskim brojem 92
Atomic Number92
Atomic Weight238.02891
Maseni broj238
Group
Period7
Blockf
Proton92 p+
Neutron146 n0
Elektron92 e-
Animated Bohrov model atoma of U (Uranij[um])

Physical Property

Atomski Radijus
175 pm
Molarni volumen
covalent radius
170 pm
Metallic Radius
Ionski radijus
102,5 pm
Crystal Radius
116,5 pm
Van der Waalsov radijus
241 pm
gustoća
19,1 g/cm³
Atomic Radii Of The Elements: Uranij[um]0102030405060708090100110120130140150160170180190200210220230240250pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
995,2 kJ/mol
electron affinity
ionization energy
6,19405 eV/particle
ionization energy of U (Uranij[um])
Toplota isparavanja
417 kJ/mol
toplota topljenja
12,6 kJ/mol
standard enthalpy of formation
533 kJ/mol
Elektron
electron shell2, 8, 18, 32, 21, 9, 2
Bohrov model atoma: U (Uranij[um])
Valentni elektron2
Lewis structure: U (Uranij[um])
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 Bohrov model atoma of U (Uranij[um])
Orbital Diagram of U (Uranij[um])
oksidacijsko stanje-1, 1, 2, 3, 4, 5, 6
Elektronegativnost
1.7
Electrophilicity Index
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
4.404,15 K
Melting Point
1.408,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Silver
appearance
Indeks prelamanja
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
Specifična električna provodljivost
3,6 MS/m
electrical resistivity
0,00000028 m Ω
Superprovodljivost
0,69 K
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000216 m³/Kg
magnetic susceptibility (Molar)
0,00000000514 m³/mol
magnetic susceptibility (Volume)
0,000411
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureBase Centered Orthorhombic (ORC)
lattice constant
2,85 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
6 MPa
bulk modulus
100 GPa
shear modulus
111 GPa
Young's modulus
208 GPa
Poisson's ratio
0,23
Brzina zvuka
3.155 m/s
klasifikacija
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
Kvantni brojevi5L6
space group63 (Cmcm)

Isotopes of Uranium

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

215U

Maseni broj215
broj neutrona123
relative atomic mass
215,026719774 ± 0,000111794 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,4 ± 0,9 ms
spin5/2
nuclear quadrupole moment
datum otkrića2015
parity-

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

216U

Maseni broj216
broj neutrona124
relative atomic mass
216,024762829 ± 0,000030158 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,9 ± 2,9 ms
spin0
nuclear quadrupole moment
0
datum otkrića2015
parity+

decay modeintensity
α (α emission)100%

217U

Maseni broj217
broj neutrona125
relative atomic mass
217,02466 ± 0,000086 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
850 ± 710 us
spin1/2
nuclear quadrupole moment
0
datum otkrića2000
parity-

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

218U

Maseni broj218
broj neutrona126
relative atomic mass
218,023504877 ± 0,000014722 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
354 ± 91 us
spin0
nuclear quadrupole moment
0
datum otkrića1992
parity+

decay modeintensity
α (α emission)100%

219U

Maseni broj219
broj neutrona127
relative atomic mass
219,025009233 ± 0,000014319 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
60 ± 7 us
spin9/2
nuclear quadrupole moment
datum otkrića1993
parity+

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

220U

Maseni broj220
broj neutrona128
relative atomic mass
220,024706 ± 0,000108 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića
parity+

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

221U

Maseni broj221
broj neutrona129
relative atomic mass
221,026323297 ± 0,00007744 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
660 ± 140 ns
spin9/2
nuclear quadrupole moment
datum otkrića2015
parity+

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

222U

Maseni broj222
broj neutrona130
relative atomic mass
222,026057957 ± 0,000055817 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,7 ± 0,7 us
spin0
nuclear quadrupole moment
0
datum otkrića1983
parity+

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

223U

Maseni broj223
broj neutrona131
relative atomic mass
223,027960754 ± 0,000063396 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
65 ± 12 us
spin7/2
nuclear quadrupole moment
datum otkrića1991
parity+

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

224U

Maseni broj224
broj neutrona132
relative atomic mass
224,027635913 ± 0,000016383 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
396 ± 17 us
spin0
nuclear quadrupole moment
0
datum otkrića1991
parity+

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

225U

Maseni broj225
broj neutrona133
relative atomic mass
225,02938505 ± 0,000010664 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
62 ± 4 ms
spin5/2
nuclear quadrupole moment
datum otkrića1989
parity+

decay modeintensity
α (α emission)100%

226U

Maseni broj226
broj neutrona134
relative atomic mass
226,029338669 ± 0,000011884 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
269 ± 6 ms
spin0
nuclear quadrupole moment
0
datum otkrića1973
parity+

decay modeintensity
α (α emission)100%

227U

Maseni broj227
broj neutrona135
relative atomic mass
227,031181124 ± 0,000009136 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,1 ± 0,1 m
spin3/2
nuclear quadrupole moment
datum otkrića1952
parity+

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

228U

Maseni broj228
broj neutrona136
relative atomic mass
228,031368959 ± 0,000014465 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,1 ± 0,2 m
spin0
nuclear quadrupole moment
0
datum otkrića1949
parity+

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

229U

Maseni broj229
broj neutrona137
relative atomic mass
229,033505976 ± 0,000006374 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
57,8 ± 0,5 m
spin3/2
nuclear quadrupole moment
datum otkrića1949
parity+

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

230U

Maseni broj230
broj neutrona138
relative atomic mass
230,033940114 ± 0,000004841 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
20,23 ± 0,02 d
spin0
nuclear quadrupole moment
0
datum otkrića1948
parity+

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

231U

Maseni broj231
broj neutrona139
relative atomic mass
231,03629218 ± 0,000002866 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,2 ± 0,1 d
spin5/2
nuclear quadrupole moment
datum otkrića1949
parity+

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

232U

Maseni broj232
broj neutrona140
relative atomic mass
232,037154765 ± 0,000001941 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
68,9 ± 0,4 y
spin0
nuclear quadrupole moment
0
datum otkrića1949
parity+

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

233U

Maseni broj233
broj neutrona141
relative atomic mass
233,039634294 ± 0,00000242 Da
g-factor
-0,236 ± 0,02
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
159,19 ± 0,15 ky
spin5/2
nuclear quadrupole moment
3,663 ± 0,008
datum otkrića1947
parity+

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

234U

Maseni broj234
broj neutrona142
relative atomic mass
234,040950296 ± 0,000001212 Da
g-factor
0
natural abundance
0,0054 ± 0,0005
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
245,5 ± 0,6 ky
spin0
nuclear quadrupole moment
0
datum otkrića1912
parity+

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

235U

Maseni broj235
broj neutrona143
relative atomic mass
235,043928117 ± 0,000001198 Da
g-factor
-0,10857142857143 ± 0,0085714285714286
natural abundance
0,7204 ± 0,0006
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
704 ± 1 My
spin7/2
nuclear quadrupole moment
4,936 ± 0,006
datum otkrića1935
parity-

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

236U

Maseni broj236
broj neutrona144
relative atomic mass
236,04556613 ± 0,000001193 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
23,42 ± 0,04 My
spin0
nuclear quadrupole moment
0
datum otkrića1951
parity+

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

237U

Maseni broj237
broj neutrona145
relative atomic mass
237,048728309 ± 0,00000129 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,752 ± 0,002 d
spin1/2
nuclear quadrupole moment
0
datum otkrića1940
parity+

decay modeintensity
β (β decay)100%

238U

Maseni broj238
broj neutrona146
relative atomic mass
238,050786936 ± 0,000001601 Da
g-factor
0
natural abundance
99,2742 ± 0,001
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,463 ± 0,003 Gy
spin0
nuclear quadrupole moment
0
datum otkrića1896
parity+

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

239U

Maseni broj239
broj neutrona147
relative atomic mass
239,054291989 ± 0,000001612 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
23,45 ± 0,02 m
spin5/2
nuclear quadrupole moment
datum otkrića1937
parity+

decay modeintensity
β (β decay)100%

240U

Maseni broj240
broj neutrona148
relative atomic mass
240,056592411 ± 0,00000274 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
14,1 ± 0,1 h
spin0
nuclear quadrupole moment
0
datum otkrića1953
parity+

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

241U

Maseni broj241
broj neutrona149
relative atomic mass
241,06033 ± 0,00021 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića
parity+

decay modeintensity
β (β decay)

242U

Maseni broj242
broj neutrona150
relative atomic mass
242,062931 ± 0,000215 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
16,8 ± 0,5 m
spin0
nuclear quadrupole moment
0
datum otkrića1979
parity+

decay modeintensity
β (β decay)100%

243U

Maseni broj243
broj neutrona151
relative atomic mass
243,067075 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin9/2
nuclear quadrupole moment
datum otkrića
parity-

decay modeintensity
β (β decay)
Uranium2

historija

otkrivač ili izumiteljMartin Klaproth
mjesto otkrićaGermany
datum otkrića1789
EtimologijaNamed for the planet Uranus.
pronunciationyoo-RAY-ni-em (engleski)

izvor

Abundance
Abundance in Earth's crust
2,7 mg/kg
natural abundance (okean)
0,0032 mg/L
natural abundance (ljudsko tijelo)
0,0000001 %
natural abundance (Meteoroidi)
0,00000098 %
natural abundance (Sunce)
0,0000001 %
Abundance in Universe
0,00000002 %

Nuclear Screening Constants