Atomic Number | 92 |
---|---|
Atomic Weight | 238.02891 |
mass number | 238 |
Group | |
---|---|
Period | 7 |
Block | f |
proton | 92 p+ |
---|---|
neutron | 146 n0 |
electron | 92 e- |
Rai Atomic | |
---|---|
molar volume | |
covalent radius | |
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Rai de van der Waals | |
densitat |
energia | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
enthalpy of vaporization | |
enthalpy of fusion | |
standard enthalpy of formation | |
electron | |
electron shell | 2, 8, 18, 32, 21, 9, 2 |
valence electron | 2 ⓘ |
electron configuration | [Rn] 5f3 6d1 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f3 6d1 7s2 |
oxidation number | -1, 1, 2, 3, 4, 5, 6 |
Electronegativitat |
1.7
|
Electrophilicity Index | |
fundamental state of matter | |
estat de la matèria | Solid |
gaseous state of matter | |
Boiling Point | |
Melting Point | |
critical pressure | |
critical temperature | |
Ponch triple | |
appearance | |
Color | Silver
|
appearance | |
Indici de refraccion | |
thermodynamic material property | |
Thermal Conductivity | |
thermal expansion | |
molar heat capacity | |
Specific Heat Capacity | |
heat capacity ratio | |
electrical properties | |
type | Conductor |
electrical conductivity | |
electrical resistivity | |
superconductivity | |
magnetism | |
type | paramagnetic |
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 | |
estructura | |
Crystal Structure | Base Centered Orthorhombic (ORC) |
lattice constant | |
Lattice Angles | π/2, π/2, π/2 |
mechanical property | |
Duretat | |
bulk modulus | |
shear modulus | |
Young's modulus | |
Poisson's ratio | 0.23
|
speed of sound | |
classification | |
Category | Actinides, Actinides |
CAS Group | |
IUPAC Group | |
Glawe Number | 36 |
Mendeleev Number | 20 |
Pettifor Number | 45 |
Geochemical Class | rare earth & related |
Goldschmidt classification | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | 7.57
|
Neutron Mass Absorption | 0.0005
|
quantum number | 5L6 |
space group | 63 (Cmcm) |
Stable Isotopes | 0 |
---|---|
Unstable Isotopes | 29 |
Natural Isotopes | 3 |
mass number | 215 |
---|---|
neutron number | 123 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 1.4 ± 0.9 ms
|
Espin | 5/2 |
nuclear quadrupole moment | |
data de descobèrta | 2015 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 216 |
---|---|
neutron number | 124 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 6.9 ± 2.9 ms
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 2015 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 217 |
---|---|
neutron number | 125 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 850 ± 710 us
|
Espin | 1/2 |
nuclear quadrupole moment | 0
|
data de descobèrta | 2000 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β− (β− decay) |
mass number | 218 |
---|---|
neutron number | 126 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 354 ± 91 us
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1992 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 219 |
---|---|
neutron number | 127 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 60 ± 7 us
|
Espin | 9/2 |
nuclear quadrupole moment | |
data de descobèrta | 1993 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 220 |
---|---|
neutron number | 128 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 221 |
---|---|
neutron number | 129 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 660 ± 140 ns
|
Espin | 9/2 |
nuclear quadrupole moment | |
data de descobèrta | 2015 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 222 |
---|---|
neutron number | 130 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 4.7 ± 0.7 us
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1983 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 223 |
---|---|
neutron number | 131 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 65 ± 12 us
|
Espin | 7/2 |
nuclear quadrupole moment | |
data de descobèrta | 1991 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 224 |
---|---|
neutron number | 132 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 396 ± 17 us
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1991 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 225 |
---|---|
neutron number | 133 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 62 ± 4 ms
|
Espin | 5/2 |
nuclear quadrupole moment | |
data de descobèrta | 1989 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 226 |
---|---|
neutron number | 134 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 269 ± 6 ms
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1973 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 227 |
---|---|
neutron number | 135 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 1.1 ± 0.1 m
|
Espin | 3/2 |
nuclear quadrupole moment | |
data de descobèrta | 1952 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 228 |
---|---|
neutron number | 136 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 9.1 ± 0.2 m
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1949 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 97.5% |
ϵ (electron capture) | 2.5% |
mass number | 229 |
---|---|
neutron number | 137 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 57.8 ± 0.5 m
|
Espin | 3/2 |
nuclear quadrupole moment | |
data de descobèrta | 1949 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 80% |
α (α emission) | 20% |
mass number | 230 |
---|---|
neutron number | 138 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 20.23 ± 0.02 d
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1948 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
22Ne | 4.8% |
SF (spontaneous fission) |
mass number | 231 |
---|---|
neutron number | 139 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 4.2 ± 0.1 d
|
Espin | 5/2 |
nuclear quadrupole moment | |
data de descobèrta | 1949 |
parity | + |
decay mode | intensity |
---|---|
ϵ (electron capture) | 100% |
α (α emission) | 0.004% |
mass number | 232 |
---|---|
neutron number | 140 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 68.9 ± 0.4 y
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1949 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
24Ne (heavy cluster emission) | 8.9% |
SF (spontaneous fission) | 2.7% |
28Mg | 5% |
mass number | 233 |
---|---|
neutron number | 141 |
Relative Atomic Mass | |
g-factor | -0.236 ± 0.02
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 159.19 ± 0.15 ky
|
Espin | 5/2 |
nuclear quadrupole moment | 3.663 ± 0.008
|
data de descobèrta | 1947 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 6% |
24Ne (heavy cluster emission) | 7.2% |
28Mg | 1.3% |
mass number | 234 |
---|---|
neutron number | 142 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 0.0054 ± 0.0005
|
Radioactivitat | ☢️ radioactive element |
Semivida | 245.5 ± 0.6 ky
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1912 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 1.64% |
28Mg | 1.4% |
26Ne | 9% |
mass number | 235 |
---|---|
neutron number | 143 |
Relative Atomic Mass | |
g-factor | -0.10857142857143 ± 0.0085714285714286
|
natural abundance | 0.7204 ± 0.0006
|
Radioactivitat | ☢️ radioactive element |
Semivida | 704 ± 1 My
|
Espin | 7/2 |
nuclear quadrupole moment | 4.936 ± 0.006
|
data de descobèrta | 1935 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 7% |
20Ne | 8% |
25Ne | 8% |
28Mg | 8% |
mass number | 236 |
---|---|
neutron number | 144 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 23.42 ± 0.04 My
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1951 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 9.4% |
mass number | 237 |
---|---|
neutron number | 145 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 6.752 ± 0.002 d
|
Espin | 1/2 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1940 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 238 |
---|---|
neutron number | 146 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 99.2742 ± 0.001
|
Radioactivitat | ☢️ radioactive element |
Semivida | 4.463 ± 0.003 Gy
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1896 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 5.44% |
2β− (double β− decay) | 2.2% |
mass number | 239 |
---|---|
neutron number | 147 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 23.45 ± 0.02 m
|
Espin | 5/2 |
nuclear quadrupole moment | |
data de descobèrta | 1937 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 240 |
---|---|
neutron number | 148 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 14.1 ± 0.1 h
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1953 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
α (α emission) |
mass number | 241 |
---|---|
neutron number | 149 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 7/2 |
nuclear quadrupole moment | |
data de descobèrta | |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
mass number | 242 |
---|---|
neutron number | 150 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 16.8 ± 0.5 m
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1979 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 243 |
---|---|
neutron number | 151 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 9/2 |
nuclear quadrupole moment | |
data de descobèrta | |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) |
descobridor o inventaire | Martin Klaproth |
---|---|
luòc de descobèrta | Germany |
data de descobèrta | 1789 |
Etimologia | Named for the planet Uranus. |
pronunciation | yoo-RAY-ni-em (English) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (Ocean) | |
natural abundance (còs uman) | 0.0000001 %
|
natural abundance (meteoroid) | 0.00000098 %
|
natural abundance (Solelh) | 0.0000001 %
|
Abundance in Universe | 0.00000002 %
|