Atomic Number | 95 |
---|---|
Atomic Weight | 243 |
mass number | 223 |
Group | |
---|---|
Period | 7 |
Block | f |
Протон | 95 p+ |
---|---|
Нейтрон | 128 n0 |
Электрон | 95 e- |
Атомдук Радиус | |
---|---|
molar volume | |
covalent radius | |
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Van der Waals radius | |
density |
энергия | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
enthalpy of vaporization | |
enthalpy of fusion | |
standard enthalpy of formation | |
Электрон | |
electron shell | 2, 8, 18, 32, 25, 8, 2 |
valence electron | 2 ⓘ |
electron configuration | [Rn] 5f7 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f7 7s2 |
oxidation number | 2, 3, 4, 5, 6, 7 |
electronegativity | |
Electrophilicity Index | |
fundamental state of matter | |
phase of matter | Solid |
gaseous state of matter | |
Boiling Point | |
Melting Point | |
critical pressure | |
critical temperature | |
triple point | |
appearance | |
Түс – | Silver
|
appearance | silvery white |
refractive index | |
thermodynamic material property | |
Thermal Conductivity | |
thermal expansion | |
molar heat capacity | |
Specific Heat Capacity | |
heat capacity ratio | |
electrical properties | |
type | |
electrical conductivity | |
electrical resistivity | |
superconductivity | |
Магнетизм | |
type | paramagnetic |
magnetic susceptibility (Mass) | 0,0000000515 m³/Kg
|
magnetic susceptibility (Molar) | 0,00000001251 m³/mol
|
magnetic susceptibility (Volume) | 0,000704
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
түзүм | |
Crystal Structure | Simple Hexagonal () |
lattice constant | |
Lattice Angles | π/2, π/2, 2 π/3 |
mechanical property | |
hardness | |
bulk modulus | |
shear modulus | |
Young's modulus | |
Poisson's ratio | |
speed of sound | |
classification | |
Category | Actinides, Actinides |
CAS Group | |
IUPAC Group | |
Glawe Number | 39 |
Mendeleev Number | 26 |
Pettifor Number | 42 |
Geochemical Class | |
Литофиль элементтери | synthetic |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | 74
|
Neutron Mass Absorption | |
Кванттык сандар | 8S7/2 |
space group | 194 (P63/mmc) |
Stable Isotopes | 0 |
---|---|
Unstable Isotopes | 27 |
Natural Isotopes | 0 |
mass number | 223 |
---|---|
neutron number | 128 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 10 ± 9 ms
|
Спин | 9/2 |
nuclear quadrupole moment | |
time of discovery or invention | 2015 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 224 |
---|---|
neutron number | 129 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | |
Спин | |
nuclear quadrupole moment | |
time of discovery or invention | |
parity |
decay mode | intensity |
---|---|
α (α emission) | |
SF (spontaneous fission) |
mass number | 225 |
---|---|
neutron number | 130 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | |
Спин | 9/2 |
nuclear quadrupole moment | |
time of discovery or invention | |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | |
SF (spontaneous fission) |
mass number | 226 |
---|---|
neutron number | 131 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | |
Спин | |
nuclear quadrupole moment | |
time of discovery or invention | |
parity |
decay mode | intensity |
---|---|
α (α emission) | |
SF (spontaneous fission) |
mass number | 227 |
---|---|
neutron number | 132 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | |
Спин | 9/2 |
nuclear quadrupole moment | |
time of discovery or invention | |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | |
SF (spontaneous fission) |
mass number | 228 |
---|---|
neutron number | 133 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | |
Спин | |
nuclear quadrupole moment | |
time of discovery or invention | |
parity |
decay mode | intensity |
---|---|
α (α emission) | |
SF (spontaneous fission) |
mass number | 229 |
---|---|
neutron number | 134 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 1,8 ± 1,5 s
|
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | 2015 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 230 |
---|---|
neutron number | 135 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 40 ± 9 s
|
Спин | 1 |
nuclear quadrupole moment | |
time of discovery or invention | 2003 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ SF (β+-delayed fission) | 30% |
mass number | 231 |
---|---|
neutron number | 136 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | |
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
α (α emission) |
mass number | 232 |
---|---|
neutron number | 137 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 1,31 ± 0,04 m
|
Спин | 1 |
nuclear quadrupole moment | |
time of discovery or invention | 1967 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 97% |
α (α emission) | |
β+ SF (β+-delayed fission) | 0.069% |
mass number | 233 |
---|---|
neutron number | 138 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 3,2 ± 0,8 m
|
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | 2000 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
α (α emission) | 4.5% |
mass number | 234 |
---|---|
neutron number | 139 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 2,32 ± 0,08 m
|
Спин | 0 |
nuclear quadrupole moment | 0
|
time of discovery or invention | 1967 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 0.039% |
β+ SF (β+-delayed fission) | 0.0066% |
mass number | 235 |
---|---|
neutron number | 140 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 10,3 ± 0,6 m
|
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | 1996 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.6% |
α (α emission) | 0.4% |
mass number | 236 |
---|---|
neutron number | 141 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 3,6 ± 0,1 m
|
Спин | 5 |
nuclear quadrupole moment | |
time of discovery or invention | 1998 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 4% |
mass number | 237 |
---|---|
neutron number | 142 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 73,6 ± 0,8 m
|
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | 1970 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.975% |
α (α emission) | 0.025% |
mass number | 238 |
---|---|
neutron number | 143 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 98 ± 3 m
|
Спин | 1 |
nuclear quadrupole moment | |
time of discovery or invention | 1950 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 1% |
mass number | 239 |
---|---|
neutron number | 144 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 11,9 ± 0,1 h
|
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | 1949 |
parity | - |
decay mode | intensity |
---|---|
ϵ (electron capture) | 99.99% |
α (α emission) | 0.01% |
mass number | 240 |
---|---|
neutron number | 145 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 50,8 ± 0,3 h
|
Спин | 3 |
nuclear quadrupole moment | |
time of discovery or invention | 1949 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 1.9% |
mass number | 241 |
---|---|
neutron number | 146 |
Relative Atomic Mass | |
g-factor | 0,64 ± 0,004
|
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 432,6 ± 0,6 y
|
Спин | 5/2 |
nuclear quadrupole moment | 4,34 ± 0,05
|
time of discovery or invention | 1949 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 3.6% |
mass number | 242 |
---|---|
neutron number | 147 |
Relative Atomic Mass | |
g-factor | 0,3854 ± 0,0017
|
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 16,02 ± 0,02 h
|
Спин | 1 |
nuclear quadrupole moment | -2,4 ± 0,4
|
time of discovery or invention | 1949 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 82.7% |
ϵ (electron capture) | 17.3% |
mass number | 243 |
---|---|
neutron number | 148 |
Relative Atomic Mass | |
g-factor | 0,608 ± 0,004
|
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 7,35 ± 0,009 ky
|
Спин | 5/2 |
nuclear quadrupole moment | 4,32 ± 0,06
|
time of discovery or invention | 1950 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 3.7% |
mass number | 244 |
---|---|
neutron number | 149 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 10,01 ± 0,03 h
|
Спин | 6 |
nuclear quadrupole moment | |
time of discovery or invention | 1950 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 245 |
---|---|
neutron number | 150 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 2,05 ± 0,01 h
|
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | 1955 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 246 |
---|---|
neutron number | 151 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 39 ± 3 m
|
Спин | 7 |
nuclear quadrupole moment | |
time of discovery or invention | 1955 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 247 |
---|---|
neutron number | 152 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | 23 ± 1,3 m
|
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | 1967 |
parity |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 248 |
---|---|
neutron number | 153 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | |
Спин | 3 |
nuclear quadrupole moment | |
time of discovery or invention | |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
mass number | 249 |
---|---|
neutron number | 154 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Радиоактивдүүлүк | ☢️ Радиоактивдүү элементтер — |
half-life | |
Спин | 5/2 |
nuclear quadrupole moment | |
time of discovery or invention | |
parity |
decay mode | intensity |
---|---|
β− (β− decay) |
discoverer or inventor | G.T.Seaborg, R.A.James, L.O.Morgan, A.Ghiorso |
---|---|
location of discovery | United States |
time of discovery or invention | 1945 |
Этимология | Named for the American continent, by analogy with europium. |
pronunciation | am-er-ISH-i-em (англисче) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (Океан) | |
natural abundance (human body) | 0 %
|
natural abundance (meteoroid) | 0 %
|
natural abundance (Күн) | 0 %
|
Abundance in Universe | 0 %
|