| Atomic Number | 102 |
|---|---|
| Atomic Weight | 259 |
| mass number | 248 |
| Group | |
|---|---|
| Period | 7 |
| Block | f |
| proton | 102 p+ |
|---|---|
| neutron | 146 n0 |
| elettron | 102 e- |
| enerġija | |
|---|---|
| proton affinity | |
| electron affinity | |
| ionization energy | |
| enthalpy of vaporization | |
| enthalpy of fusion | |
| standard enthalpy of formation | |
| elettron | |
| electron shell | 2, 8, 18, 32, 32, 8, 2 |
| valence electron | 2 ⓘ |
| electron configuration | [Rn] 5f14 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f14 7s2 |
| oxidation number | 2, 3 |
| electronegativity | |
| Electrophilicity Index | |
| fundamental state of matter | |
| phase of matter | {ERROR}|
| gaseous state of matter | |
| Boiling Point | |
| Melting Point | |
| critical pressure | |
| critical temperature | |
| triple point | |
| appearance | |
| kulur | Black
|
| 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 | |
| magnetism | |
| type | |
| magnetic susceptibility (Mass) | |
| magnetic susceptibility (Molar) | |
| magnetic susceptibility (Volume) | |
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| structure | |
| Crystal Structure | {ERROR} |
| 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 | 46 |
| Mendeleev Number | 40 |
| Pettifor Number | 35 |
| Geochemical Class | |
| Goldschmidt classification | synthetic |
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | |
| Neutron Mass Absorption | |
| quantum number | 1S0 |
| space group | () |
| Stable Isotopes | 0 |
|---|---|
| Unstable Isotopes | 17 |
| Natural Isotopes | 0 |
| mass number | 248 |
|---|---|
| neutron number | 146 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | |
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 2003 |
| parity | + |
| decay mode | intensity |
|---|---|
| SF (spontaneous fission) |
| mass number | 249 |
|---|---|
| neutron number | 147 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 57 ± 12 us
|
| spin | 5/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 2003 |
| parity | + |
| decay mode | intensity |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| α (α emission) |
| mass number | 250 |
|---|---|
| neutron number | 148 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 5.08 ± 0.27 us
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 2003 |
| parity | + |
| decay mode | intensity |
|---|---|
| SF (spontaneous fission) | 100% |
| α (α emission) | |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 251 |
|---|---|
| neutron number | 149 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 800 ± 10 ms
|
| spin | 7/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1967 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 83% |
| β+ (β+ decay; β+ = ϵ + e+) | |
| SF (spontaneous fission) | 0.3% |
| mass number | 252 |
|---|---|
| neutron number | 150 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 2.467 ± 0.016 s
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1967 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 67.6% |
| SF (spontaneous fission) | 31.3% |
| β+ (β+ decay; β+ = ϵ + e+) | 1.1% |
| mass number | 253 |
|---|---|
| neutron number | 151 |
| Relative Atomic Mass | |
| g-factor | -0.11777777777778 ± 0.017777777777778
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 1.57 ± 0.02 m
|
| spin | 9/2 |
| nuclear quadrupole moment | 5.9 ± 1.7
|
| time of discovery or invention | 1967 |
| parity | - |
| decay mode | intensity |
|---|---|
| α (α emission) | 55% |
| β+ (β+ decay; β+ = ϵ + e+) | |
| SF (spontaneous fission) |
| mass number | 254 |
|---|---|
| neutron number | 152 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 51.2 ± 0.4 s
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1966 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 90% |
| β+ (β+ decay; β+ = ϵ + e+) | 10% |
| SF (spontaneous fission) | 0.17% |
| mass number | 255 |
|---|---|
| neutron number | 153 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 3.52 ± 0.18 m
|
| spin | 1/2 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1967 |
| parity | + |
| decay mode | intensity |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 70% |
| α (α emission) | 30% |
| mass number | 256 |
|---|---|
| neutron number | 154 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 2.91 ± 0.05 s
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1963 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 99.45% |
| SF (spontaneous fission) | 0.55% |
| ϵ (electron capture) |
| mass number | 257 |
|---|---|
| neutron number | 155 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 24.5 ± 0.5 s
|
| spin | 3/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1967 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 85% |
| β+ (β+ decay; β+ = ϵ + e+) | 15% |
| SF (spontaneous fission) |
| mass number | 258 |
|---|---|
| neutron number | 156 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 1.23 ± 0.12 ms
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1989 |
| parity | + |
| decay mode | intensity |
|---|---|
| SF (spontaneous fission) | 100% |
| α (α emission) |
| mass number | 259 |
|---|---|
| neutron number | 157 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 58 ± 5 m
|
| spin | 9/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1973 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 75% |
| ϵ (electron capture) | 25% |
| SF (spontaneous fission) | 10% |
| mass number | 260 |
|---|---|
| neutron number | 158 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 106 ± 8 ms
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1985 |
| parity | + |
| decay mode | intensity |
|---|---|
| SF (spontaneous fission) | 100% |
| mass number | 261 |
|---|---|
| neutron number | 159 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | |
| spin | |
| nuclear quadrupole moment | |
| time of discovery or invention | |
| parity |
| decay mode | intensity |
|---|---|
| α (α emission) |
| mass number | 262 |
|---|---|
| neutron number | 160 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | |
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1988 |
| parity | + |
| decay mode | intensity |
|---|---|
| SF (spontaneous fission) | 100% |
| α (α emission) |
| mass number | 263 |
|---|---|
| neutron number | 161 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | |
| spin | |
| nuclear quadrupole moment | |
| time of discovery or invention | |
| parity |
| decay mode | intensity |
|---|---|
| α (α emission) | |
| SF (spontaneous fission) |
| mass number | 264 |
|---|---|
| neutron number | 162 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | |
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | |
| SF (spontaneous fission) |
| discoverer or inventor | Nobel Institute for Physics |
|---|---|
| location of discovery | Sweden |
| time of discovery or invention | 1957 |
| etimoloġija | Named in honor of Alfred Nobel, who invented dynamite and founded Nobel prize. |
| pronunciation | no-BELL-i-em (Ingliż) |
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (ocean) | |
| natural abundance (human body) | 0 %
|
| natural abundance (meteoroid) | 0 %
|
| natural abundance (Xemx) | 0 %
|
| Abundance in Universe | 0 %
|