| Atomic Number | 57 | 
|---|---|
| Atomic Weight | 138.90547 | 
| Hejmara baristeyî | 139 | 
| Group | 3 | 
|---|---|
| Period | 6 | 
| Block | d | 
| Proton | 57 p+ | 
|---|---|
| Notron | 82 n0 | 
| Kareva | 57 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, 18, 9, 2 | 
| valence electron | 2 ⓘ | 
| electron configuration | [Xe] 5d1 6s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 5d1 6s2 | 
| oxidation number | 0, 1, 2, 3 | 
| electronegativity | 1.1 | 
| 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 | Conductor | 
| electrical conductivity | |
| electrical resistivity | |
| superconductivity | |
| magnetism | |
| type | paramagnetic | 
| magnetic susceptibility (Mass) | 0,000000011 m³/Kg | 
| magnetic susceptibility (Molar) | 0,000000001528 m³/mol | 
| magnetic susceptibility (Volume) | 0,00006761  | 
| 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 | 0,28  | 
| Leza dengê | |
| classification | |
| Category | Actinides, Lanthanides | 
| CAS Group | IIIA | 
| IUPAC Group | IIIB | 
| Glawe Number | 32 | 
| Mendeleev Number | 13 | 
| Pettifor Number | 33 | 
| Geochemical Class | rare earth & related | 
| Goldschmidt classification | litophile | 
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | 8,98  | 
| Neutron Mass Absorption | 0,0023  | 
| quantum number | 2D3/2 | 
| space group | 194 (P63/mmc) | 
| Stable Isotopes | 1 | 
|---|---|
| Unstable Isotopes | 41 | 
| Natural Isotopes | 2 | 
| Hejmara baristeyî | 116 | 
|---|---|
| neutron number | 59 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | |
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| β+ p (β+-delayed proton emission) | |
| p (proton emission) | 
| Hejmara baristeyî | 117 | 
|---|---|
| neutron number | 60 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 21,7 ± 1,8 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 2001 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| p (proton emission) | 100% | 
| β+ (β+ decay; β+ = ϵ + e+) | |
| β+ p (β+-delayed proton emission) | 
| Hejmara baristeyî | 118 | 
|---|---|
| neutron number | 61 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 1 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| β+ p (β+-delayed proton emission) | 
| Hejmara baristeyî | 119 | 
|---|---|
| neutron number | 62 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 11/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | |
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 
| Hejmara baristeyî | 120 | 
|---|---|
| neutron number | 63 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 2,8 ± 0,2 s | 
| spin | 1 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1984 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 
| Hejmara baristeyî | 121 | 
|---|---|
| neutron number | 64 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 5,3 ± 0,2 s | 
| spin | 11/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1988 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 
| Hejmara baristeyî | 122 | 
|---|---|
| neutron number | 65 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 8,6 ± 0,5 s | 
| spin | 1 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1984 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 
| Hejmara baristeyî | 123 | 
|---|---|
| neutron number | 66 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 17 ± 3 s | 
| spin | 11/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1978 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 124 | 
|---|---|
| neutron number | 67 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 29,21 ± 0,17 s | 
| spin | 7 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1978 | 
| parity | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 125 | 
|---|---|
| neutron number | 68 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 64,8 ± 1,2 s | 
| spin | 11/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1973 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 126 | 
|---|---|
| neutron number | 69 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 54 ± 2 s | 
| spin | 5 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1961 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 127 | 
|---|---|
| neutron number | 70 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 5,1 ± 0,1 m | 
| spin | 11/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1963 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 128 | 
|---|---|
| neutron number | 71 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 5,18 ± 0,14 m | 
| spin | 5 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1961 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 129 | 
|---|---|
| neutron number | 72 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 11,6 ± 0,2 m | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1963 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 130 | 
|---|---|
| neutron number | 73 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 8,7 ± 0,1 m | 
| spin | 3 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1961 | 
| parity | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 131 | 
|---|---|
| neutron number | 74 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 59 ± 2 m | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1951 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 132 | 
|---|---|
| neutron number | 75 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 4,59 ± 0,04 h | 
| spin | 2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1951 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 133 | 
|---|---|
| neutron number | 76 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 3,912 ± 0,008 h | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 134 | 
|---|---|
| neutron number | 77 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 6,45 ± 0,16 m | 
| spin | 1 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1951 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 135 | 
|---|---|
| neutron number | 78 | 
| Giraniya Atomê | |
| g-factor | 1,48 ± 0,036  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 18,91 ± 0,02 h | 
| spin | 5/2 | 
| nuclear quadrupole moment | -0,4 ± 0,4  | 
| dema îcadkirinê yan keşfê | 1948 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 136 | 
|---|---|
| neutron number | 79 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 9,87 ± 0,03 m | 
| spin | 1 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Hejmara baristeyî | 137 | 
|---|---|
| neutron number | 80 | 
| Giraniya Atomê | |
| g-factor | 0,77028571428571 ± 0,0017142857142857  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 60 ± 20 ky | 
| spin | 7/2 | 
| nuclear quadrupole moment | 0,21 ± 0,04  | 
| dema îcadkirinê yan keşfê | 1948 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | 100% | 
| Hejmara baristeyî | 138 | 
|---|---|
| neutron number | 81 | 
| Giraniya Atomê | |
| g-factor | 0,74168 ± 0,00004  | 
| natural abundance | 0,08881 ± 0,00071  | 
| radioactivity | ☢️ radioactive element | 
| half-life | 103 ± 1 Gy | 
| spin | 5 | 
| nuclear quadrupole moment | 0,39 ± 0,03  | 
| dema îcadkirinê yan keşfê | 1947 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 65.5% | 
| β− (β− decay) | 34.5% | 
| Hejmara baristeyî | 139 | 
|---|---|
| neutron number | 82 | 
| Giraniya Atomê | |
| g-factor | 0,79402857142857 ± 0,000057142857142857  | 
| natural abundance | 99,91119 ± 0,00071  | 
| radioactivity | stable isotope | 
| half-life | Not Radioactive ☢️ | 
| spin | 7/2 | 
| nuclear quadrupole moment | 0,206 ± 0,004  | 
| dema îcadkirinê yan keşfê | 1924 | 
| parity | + | 
| Hejmara baristeyî | 140 | 
|---|---|
| neutron number | 83 | 
| Giraniya Atomê | |
| g-factor | 0,24333333333333 ± 0,005  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 40,289 ± 0,004 h | 
| spin | 3 | 
| nuclear quadrupole moment | 0,087 ± 0,013  | 
| dema îcadkirinê yan keşfê | 1935 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 141 | 
|---|---|
| neutron number | 84 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 3,92 ± 0,03 h | 
| spin | 7/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1951 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 142 | 
|---|---|
| neutron number | 85 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 91,1 ± 0,5 m | 
| spin | 2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1953 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 143 | 
|---|---|
| neutron number | 86 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 14,2 ± 0,1 m | 
| spin | 7/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1951 | 
| parity | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 144 | 
|---|---|
| neutron number | 87 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 44 ± 0,7 s | 
| spin | 3 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1967 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 145 | 
|---|---|
| neutron number | 88 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 24,8 ± 2 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1974 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 146 | 
|---|---|
| neutron number | 89 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 9,9 ± 0,1 s | 
| spin | 5 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1970 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Hejmara baristeyî | 147 | 
|---|---|
| neutron number | 90 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 4,026 ± 0,02 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1979 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.041% | 
| Hejmara baristeyî | 148 | 
|---|---|
| neutron number | 91 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,414 ± 0,025 s | 
| spin | 2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1969 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.18% | 
| Hejmara baristeyî | 149 | 
|---|---|
| neutron number | 92 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,071 ± 0,022 s | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1979 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 1.43% | 
| Hejmara baristeyî | 150 | 
|---|---|
| neutron number | 93 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 504 ± 15 ms | 
| spin | 3 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1993 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 2.7% | 
| Hejmara baristeyî | 151 | 
|---|---|
| neutron number | 94 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 465 ± 24 ms | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| dema îcadkirinê yan keşfê | 1994 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 
| Hejmara baristeyî | 152 | 
|---|---|
| neutron number | 95 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 287 ± 16 ms | 
| spin | 2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 1994 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 
| Hejmara baristeyî | 153 | 
|---|---|
| neutron number | 96 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 245 ± 18 ms | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| dema îcadkirinê yan keşfê | 1994 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| Hejmara baristeyî | 154 | 
|---|---|
| neutron number | 97 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 161 ± 15 ms | 
| spin | 2 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 2017 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| Hejmara baristeyî | 155 | 
|---|---|
| neutron number | 98 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 101 ± 28 ms | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| dema îcadkirinê yan keşfê | 2016 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| Hejmara baristeyî | 156 | 
|---|---|
| neutron number | 99 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 84 ± 78 ms | 
| spin | 4 | 
| nuclear quadrupole moment | |
| dema îcadkirinê yan keşfê | 2017 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 
| Hejmara baristeyî | 157 | 
|---|---|
| neutron number | 100 | 
| Giraniya Atomê | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| dema îcadkirinê yan keşfê | 2018 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | 

| kaşîf an îcadker | Carl Mosander | 
|---|---|
| location of discovery | Sweden | 
| dema îcadkirinê yan keşfê | 1839 | 
| Bêjenasî | Greek: lanthanein (to be hidden). | 
| pronunciation | LAN-the-nem (îngilîzî) | 
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (Okyanûs) | |
| natural abundance (human body) | |
| natural abundance (meteoroid) | 0,000028 % | 
| natural abundance (Roj) | 0,0000002 % | 
| Abundance in Universe | 0,0000002 % | 
| 1 | s | 1.1317 | 
| 2 | p | 4.2044 | 
| 2 | s | 15.0466 | 
| 3 | d | 13.9398 | 
| 3 | p | 18.8604 | 
| 3 | s | 19.0569 | 
| 4 | d | 32.2748 | 
| 4 | f | 55.64 | 
| 4 | p | 29.2936 | 
| 4 | s | 28.2036 | 
| 5 | p | 41.104 | 
| 5 | s | 39.189 | 
| 6 | s | 47.688 |