| Atomic Number | 95 | 
|---|---|
| Atomic Weight | 243 | 
| Hejmara baristeyî | 223 | 
| Group | |
|---|---|
| Period | 7 | 
| Block | f | 
| Proton | 95 p+ | 
|---|---|
| Notron | 128 n0 | 
| Kareva | 95 e- | 
| Atomic Radius | |
|---|---|
| molar volume | |
| Covalent Radius | |
| Metallic Radius | |
| ionic radius | |
| Crystal Radius | |
| Van der Waals radius | |
| density | 
| wize | |
|---|---|
| proton affinity | |
| electron affinity | |
| ionization energy | |
| enthalpy of vaporization | |
| enthalpy of fusion | |
| standard enthalpy of formation | |
| Kareva | |
| 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{ERROR} | |
| gaseous state of matter | |
| Boiling Point | |
| Melting Point | |
| critical pressure | |
| critical temperature | |
| triple point | |
| appearance | |
| color | Black | 
| 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 | |
| magnetism | |
| type | paramagnetic | 
| magnetic susceptibility (Mass) | 0,0000000515 m³/Kg | 
| magnetic susceptibility (Molar) | 0,00000001251 m³/mol | 
| magnetic susceptibility (Volume) | 0,000704  | 
| magnetic ordering | |
| Germahiya Curie | |
| Néel temperature | |
| pêkhate | |
| Crystal Structure | {ERROR} | 
| lattice constant | |
| Lattice Angles | π/2, π/2, 2 π/3 | 
| mechanical property | |
| hardness | |
| bulk modulus | |
| shear modulus | |
| Young's modulus | |
| Poisson's ratio | |
| Leza dengê | |
| classification | |
| Category | Actinides, Actinides | 
| CAS Group | |
| IUPAC Group | |
| Glawe Number | 39 | 
| Mendeleev Number | 26 | 
| Pettifor Number | 42 | 
| Geochemical Class | |
| Goldschmidt classification | synthetic | 
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | 74  | 
| Neutron Mass Absorption | |
| quantum number | 8S7/2 | 
| space group | 194 (P63/mmc) | 
| Stable Isotopes | 0 | 
|---|---|
| Unstable Isotopes | 27 | 
| Natural Isotopes | 0 | 
| Hejmara baristeyî | 223 | 
|---|---|
| neutron number | 128 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 10 ± 9 ms | 
| spin | 9/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 2015 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| β+ (β+ decay; β+ = ϵ + e+) | 
| Hejmara baristeyî | 224 | 
|---|---|
| neutron number | 129 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | |
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | 
| decay mode | intensity | 
|---|---|
| α (α emission) | |
| SF (spontaneous fission) | 
| Hejmara baristeyî | 225 | 
|---|---|
| neutron number | 130 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 9/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | - | 
| decay mode | intensity | 
|---|---|
| α (α emission) | |
| SF (spontaneous fission) | 
| Hejmara baristeyî | 226 | 
|---|---|
| neutron number | 131 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | |
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | 
| decay mode | intensity | 
|---|---|
| α (α emission) | |
| SF (spontaneous fission) | 
| Hejmara baristeyî | 227 | 
|---|---|
| neutron number | 132 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 9/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | - | 
| decay mode | intensity | 
|---|---|
| α (α emission) | |
| SF (spontaneous fission) | 
| Hejmara baristeyî | 228 | 
|---|---|
| neutron number | 133 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | |
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | 
| decay mode | intensity | 
|---|---|
| α (α emission) | |
| SF (spontaneous fission) | 
| Hejmara baristeyî | 229 | 
|---|---|
| neutron number | 134 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,8 ± 1,5 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 2015 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| β+ (β+ decay; β+ = ϵ + e+) | 
| Hejmara baristeyî | 230 | 
|---|---|
| neutron number | 135 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 40 ± 9 s | 
| spin | 1 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 2003 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ SF (β+-delayed fission) | 30% | 
| Hejmara baristeyî | 231 | 
|---|---|
| neutron number | 136 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| α (α emission) | 
| Hejmara baristeyî | 232 | 
|---|---|
| neutron number | 137 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,31 ± 0,04 m | 
| spin | 1 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1967 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 97% | 
| α (α emission) | |
| β+ SF (β+-delayed fission) | 0.069% | 
| Hejmara baristeyî | 233 | 
|---|---|
| neutron number | 138 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 3,2 ± 0,8 m | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 2000 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| α (α emission) | 4.5% | 
| Hejmara baristeyî | 234 | 
|---|---|
| neutron number | 139 | 
| Giraniya Atomê | |
| g-factor | 0  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 2,32 ± 0,08 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| dema îcadkirinê yan keşfê | 1967 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| α (α emission) | 0.039% | 
| β+ SF (β+-delayed fission) | 0.0066% | 
| Hejmara baristeyî | 235 | 
|---|---|
| neutron number | 140 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 10,3 ± 0,6 m | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1996 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 99.6% | 
| α (α emission) | 0.4% | 
| Hejmara baristeyî | 236 | 
|---|---|
| neutron number | 141 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 3,6 ± 0,1 m | 
| spin | 5 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1998 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| α (α emission) | 4% | 
| Hejmara baristeyî | 237 | 
|---|---|
| neutron number | 142 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 73,6 ± 0,8 m | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1970 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 99.975% | 
| α (α emission) | 0.025% | 
| Hejmara baristeyî | 238 | 
|---|---|
| neutron number | 143 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 98 ± 3 m | 
| spin | 1 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| α (α emission) | 1% | 
| Hejmara baristeyî | 239 | 
|---|---|
| neutron number | 144 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 11,9 ± 0,1 h | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1949 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | 99.99% | 
| α (α emission) | 0.01% | 
| Hejmara baristeyî | 240 | 
|---|---|
| neutron number | 145 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 50,8 ± 0,3 h | 
| spin | 3 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1949 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| α (α emission) | 1.9% | 
| Hejmara baristeyî | 241 | 
|---|---|
| neutron number | 146 | 
| Giraniya Atomê | |
| g-factor | 0,64 ± 0,004  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 432,6 ± 0,6 y | 
| spin | 5/2 | 
| nuclear quadrupole moment | 4,34 ± 0,05  | 
| dema îcadkirinê yan keşfê | 1949 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| SF (spontaneous fission) | 3.6% | 
| Hejmara baristeyî | 242 | 
|---|---|
| neutron number | 147 | 
| Giraniya Atomê | |
| g-factor | 0,3854 ± 0,0017  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 16,02 ± 0,02 h | 
| spin | 1 | 
| nuclear quadrupole moment | -2,4 ± 0,4  | 
| dema îcadkirinê yan keşfê | 1949 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 82.7% | 
| ϵ (electron capture) | 17.3% | 
| Hejmara baristeyî | 243 | 
|---|---|
| neutron number | 148 | 
| Giraniya Atomê | |
| g-factor | 0,608 ± 0,004  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 7,35 ± 0,009 ky | 
| spin | 5/2 | 
| nuclear quadrupole moment | 4,32 ± 0,06  | 
| dema îcadkirinê yan keşfê | 1950 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| SF (spontaneous fission) | 3.7% | 
| Hejmara baristeyî | 244 | 
|---|---|
| neutron number | 149 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 10,01 ± 0,03 h | 
| spin | 6 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1950 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 245 | 
|---|---|
| neutron number | 150 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 2,05 ± 0,01 h | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1955 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 246 | 
|---|---|
| neutron number | 151 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 39 ± 3 m | 
| spin | 7 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1955 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 247 | 
|---|---|
| neutron number | 152 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 23 ± 1,3 m | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1967 | 
| parity | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 248 | 
|---|---|
| neutron number | 153 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 3 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 
| Hejmara baristeyî | 249 | 
|---|---|
| neutron number | 154 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 

| kaşîf an îcadker | G.T.Seaborg, R.A.James, L.O.Morgan, A.Ghiorso | 
|---|---|
| location of discovery | United States | 
| dema îcadkirinê yan keşfê | 1945 | 
| Bêjenasî | Named for the American continent, by analogy with europium. | 
| pronunciation | am-er-ISH-i-em (îngilîzî) | 
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (Okyanûs) | |
| natural abundance (human body) | 0 % | 
| natural abundance (meteoroid) | 0 % | 
| natural abundance (Roj) | 0 % | 
| Abundance in Universe | 0 % |