Atomic Number | 92 |
---|---|
Atomic Weight | 238.02891 |
Адади массавӣ | 238 |
Group | |
---|---|
Period | 7 |
Block | f |
proton | 92 p+ |
---|---|
neutron | 146 n0 |
electron | 92 e- |
Atomic Radius | 175 pm
|
---|---|
molar volume | 12,5 cm³/mol
|
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
|
enthalpy of vaporization | 417 kJ/mol
|
гармои гудозиш | 12,6 kJ/mol
|
standard enthalpy of formation | 533 kJ/mol
|
electron | |
Абри электронӣ | 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 |
electronegativity |
1.7
|
Electrophilicity Index | |
fundamental state of matter | |
phase of matter | Solid |
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 | 0,116 Ҷ/(г⋅K)
|
heat capacity ratio | |
electrical properties | |
навъ | Conductor |
electrical conductivity | 3,6 MS/m
|
electrical resistivity | 0,00000028 m Ω
|
superconductivity | 0,69 K
|
magnetism | |
навъ | 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 | |
сохт | |
Crystal Structure | Base Centered Orthorhombic (ORC) |
lattice constant | 2,85 Å
|
Lattice Angles | π/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 | |
Category | Actinides, Actinides |
CAS Group | |
IUPAC Group | |
Glawe Number | 36 |
Mendeleev Number | 20 |
Pettifor Number | 45 |
Geochemical Class | rare earth & related |
Goldschmidt classification | litophile |
Stable Isotopes | 0 |
---|---|
Unstable Isotopes | 29 |
Natural Isotopes | 3 |
Адади массавӣ | 215 |
---|---|
neutron number | 123 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 1,4 ± 0,9 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
таърихи кашф | 2015 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | |
β+ (β+ decay; β+ = ϵ + e+) |
Адади массавӣ | 216 |
---|---|
neutron number | 124 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 6,9 ± 2,9 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 2015 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
Адади массавӣ | 217 |
---|---|
neutron number | 125 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 850 ± 710 us
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
таърихи кашф | 2000 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β− (β− decay) |
Адади массавӣ | 218 |
---|---|
neutron number | 126 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 354 ± 91 us
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1992 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
Адади массавӣ | 219 |
---|---|
neutron number | 127 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 60 ± 7 us
|
spin | 9/2 |
nuclear quadrupole moment | |
таърихи кашф | 1993 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Адади массавӣ | 220 |
---|---|
neutron number | 128 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | |
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | |
β+ (β+ decay; β+ = ϵ + e+) |
Адади массавӣ | 221 |
---|---|
neutron number | 129 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 660 ± 140 ns
|
spin | 9/2 |
nuclear quadrupole moment | |
таърихи кашф | 2015 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Адади массавӣ | 222 |
---|---|
neutron number | 130 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 4,7 ± 0,7 us
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1983 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Адади массавӣ | 223 |
---|---|
neutron number | 131 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 65 ± 12 us
|
spin | 7/2 |
nuclear quadrupole moment | |
таърихи кашф | 1991 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Адади массавӣ | 224 |
---|---|
neutron number | 132 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 396 ± 17 us
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1991 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Адади массавӣ | 225 |
---|---|
neutron number | 133 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 62 ± 4 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
таърихи кашф | 1989 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
Адади массавӣ | 226 |
---|---|
neutron number | 134 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 269 ± 6 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1973 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
Адади массавӣ | 227 |
---|---|
neutron number | 135 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 1,1 ± 0,1 m
|
spin | 3/2 |
nuclear quadrupole moment | |
таърихи кашф | 1952 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Адади массавӣ | 228 |
---|---|
neutron number | 136 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 9,1 ± 0,2 m
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1949 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 97.5% |
ϵ (electron capture) | 2.5% |
Адади массавӣ | 229 |
---|---|
neutron number | 137 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 57,8 ± 0,5 m
|
spin | 3/2 |
nuclear quadrupole moment | |
таърихи кашф | 1949 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 80% |
α (α emission) | 20% |
Адади массавӣ | 230 |
---|---|
neutron number | 138 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 20,23 ± 0,02 d
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1948 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
22Ne | 4.8% |
SF (spontaneous fission) |
Адади массавӣ | 231 |
---|---|
neutron number | 139 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 4,2 ± 0,1 d
|
spin | 5/2 |
nuclear quadrupole moment | |
таърихи кашф | 1949 |
parity | + |
decay mode | intensity |
---|---|
ϵ (electron capture) | 100% |
α (α emission) | 0.004% |
Адади массавӣ | 232 |
---|---|
neutron number | 140 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 68,9 ± 0,4 y
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1949 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
24Ne (heavy cluster emission) | 8.9% |
SF (spontaneous fission) | 2.7% |
28Mg | 5% |
Адади массавӣ | 233 |
---|---|
neutron number | 141 |
relative atomic mass | |
g-factor | -0,236 ± 0,02
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 159,19 ± 0,15 ky
|
spin | 5/2 |
nuclear quadrupole moment | 3,663 ± 0,008
|
таърихи кашф | 1947 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 6% |
24Ne (heavy cluster emission) | 7.2% |
28Mg | 1.3% |
Адади массавӣ | 234 |
---|---|
neutron number | 142 |
relative atomic mass | |
g-factor | 0
|
natural abundance | 0,0054 ± 0,0005
|
radioactivity | ☢️ radioactive element |
half-life | 245,5 ± 0,6 ky
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1912 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 1.64% |
28Mg | 1.4% |
26Ne | 9% |
Адади массавӣ | 235 |
---|---|
neutron number | 143 |
relative atomic mass | |
g-factor | -0,10857142857143 ± 0,0085714285714286
|
natural abundance | 0,7204 ± 0,0006
|
radioactivity | ☢️ radioactive element |
half-life | 704 ± 1 My
|
spin | 7/2 |
nuclear quadrupole moment | 4,936 ± 0,006
|
таърихи кашф | 1935 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 7% |
20Ne | 8% |
25Ne | 8% |
28Mg | 8% |
Адади массавӣ | 236 |
---|---|
neutron number | 144 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 23,42 ± 0,04 My
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1951 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 9.4% |
Адади массавӣ | 237 |
---|---|
neutron number | 145 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 6,752 ± 0,002 d
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1940 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Адади массавӣ | 238 |
---|---|
neutron number | 146 |
relative atomic mass | |
g-factor | 0
|
natural abundance | 99,2742 ± 0,001
|
radioactivity | ☢️ radioactive element |
half-life | 4,463 ± 0,003 Gy
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1896 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 5.44% |
2β− (double β− decay) | 2.2% |
Адади массавӣ | 239 |
---|---|
neutron number | 147 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 23,45 ± 0,02 m
|
spin | 5/2 |
nuclear quadrupole moment | |
таърихи кашф | 1937 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
Адади массавӣ | 240 |
---|---|
neutron number | 148 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 14,1 ± 0,1 h
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1953 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
α (α emission) |
Адади массавӣ | 241 |
---|---|
neutron number | 149 |
relative atomic mass | |
g-factor | |
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | |
spin | 7/2 |
nuclear quadrupole moment | |
таърихи кашф | |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
Адади массавӣ | 242 |
---|---|
neutron number | 150 |
relative atomic mass | |
g-factor | 0
|
natural abundance | |
radioactivity | ☢️ radioactive element |
half-life | 16,8 ± 0,5 m
|
spin | 0 |
nuclear quadrupole moment | 0
|
таърихи кашф | 1979 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
кошиф | Martin Klaproth |
---|---|
макони кашф | Germany |
таърихи кашф | 1789 |
Решашиносӣ | Named for the planet Uranus. |
pronunciation | yoo-RAY-ni-em (Англисӣ) |