Atomic Number | 101 |
---|---|
Atomic Weight | 258 |
mass number | 244 |
Group | |
---|---|
Period | 7 |
Block | f |
Proton | 101 p+ |
---|---|
Neutron | 143 n0 |
Elektron | 101 e- |
Atomic Radius | |
---|---|
molar volume | |
Covalent Radius | |
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Van der Waals radius | |
density |
energie | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
enthalpy of vaporization | |
enthalpy of fusion | |
standard enthalpy of formation | |
Elektron | |
electron shell | 2, 8, 18, 32, 31, 8, 2 |
valence electron | 2 ⓘ |
electron configuration | [Rn] 5f13 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f13 7s2 |
oxidation number | 2, 3 |
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 | |
Faarf | Colorless
|
appearance | |
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 | |
Magnetismus | |
type | |
magnetic susceptibility (Mass) | |
magnetic susceptibility (Molar) | |
magnetic susceptibility (Volume) | |
magnetic ordering | |
Curie temperature | |
Néel temperature | |
Struktur | |
Crystal Structure | () |
lattice constant | |
Lattice Angles | |
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 | 45 |
Mendeleev Number | 38 |
Pettifor Number | 36 |
Geochemical Class | |
Goldschmidt classification | synthetic |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | |
Neutron Mass Absorption | |
quantum number | 2F7/2 |
space group | () |
Stable Isotopes | 0 |
---|---|
Unstable Isotopes | 19 |
Natural Isotopes | 0 |
mass number | 244 |
---|---|
neutron number | 143 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 0,36 ± 0,14 s
|
spin | 3 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2020 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | |
β+ SF (β+-delayed fission) | 14% |
mass number | 245 |
---|---|
neutron number | 144 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 0,38 ± 0,1 s
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1996 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 246 |
---|---|
neutron number | 145 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 0,92 ± 0,18 s
|
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1996 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 247 |
---|---|
neutron number | 146 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 1,19 ± 0,09 s
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1981 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 0.1% |
mass number | 248 |
---|---|
neutron number | 147 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 7 ± 3 s
|
spin | |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1973 |
parity |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 80% |
α (α emission) | 20% |
β+ SF (β+-delayed fission) | 0.05% |
mass number | 249 |
---|---|
neutron number | 148 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 25,6 ± 0,9 s
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1973 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 75% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 250 |
---|---|
neutron number | 149 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 54 ± 4 s
|
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1973 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 93% |
α (α emission) | 7% |
β+ SF (β+-delayed fission) | 0.026% |
mass number | 251 |
---|---|
neutron number | 150 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 4,21 ± 0,23 m
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1973 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
α (α emission) | 10% |
mass number | 252 |
---|---|
neutron number | 151 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 2,3 ± 0,8 m
|
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1973 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) |
mass number | 253 |
---|---|
neutron number | 152 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 12 ± 8 m
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1992 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 0.7% |
mass number | 254 |
---|---|
neutron number | 153 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 10 ± 3 m
|
spin | 0 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1970 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) |
mass number | 255 |
---|---|
neutron number | 154 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 27 ± 2 m
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1958 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 93% |
α (α emission) | 7% |
SF (spontaneous fission) |
mass number | 256 |
---|---|
neutron number | 155 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 77,7 ± 1,8 m
|
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1955 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 90.8% |
α (α emission) | 9.2% |
SF (spontaneous fission) | 3% |
mass number | 257 |
---|---|
neutron number | 156 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 5,52 ± 0,05 h
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1965 |
parity | - |
decay mode | intensity |
---|---|
ϵ (electron capture) | 85% |
α (α emission) | 15% |
SF (spontaneous fission) |
mass number | 258 |
---|---|
neutron number | 157 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 51,59 ± 0,29 d
|
spin | 8 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1970 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | 0.0015% |
β− (β− decay) | 0.0015% |
mass number | 259 |
---|---|
neutron number | 158 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 1,6 ± 0,06 h
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1982 |
parity | - |
decay mode | intensity |
---|---|
SF (spontaneous fission) | 100% |
α (α emission) |
mass number | 260 |
---|---|
neutron number | 159 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 27,8 ± 0,8 d
|
spin | |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1989 |
parity |
decay mode | intensity |
---|---|
SF (spontaneous fission) | 100% |
α (α emission) | 5% |
ϵ (electron capture) | 5% |
β− (β− decay) | 3.5% |
mass number | 261 |
---|---|
neutron number | 160 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | |
parity | - |
decay mode | intensity |
---|---|
α (α emission) |
mass number | 262 |
---|---|
neutron number | 161 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | |
nuclear quadrupole moment | |
Datum vun der Entdeckung | |
parity |
decay mode | intensity |
---|---|
SF (spontaneous fission) | |
α (α emission) |
Entdecker oder Erfinder | G.T.Seaborg, S.G.Tompson, A.Ghiorso, K.Street Jr. |
---|---|
location of discovery | United States |
Datum vun der Entdeckung | 1955 |
Etymologie | Named in honor of the scientist Dmitri Ivanovitch Mendeleyev, who devised the periodic table. |
pronunciation | men-deh-LEE-vi-em (Englesch) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (Ozean) | |
natural abundance (Mënschleche Kierper) | 0 %
|
natural abundance (Meteoroid) | 0 %
|
natural abundance (Sonn) | 0 %
|
Abundance in Universe | 0 %
|