| Atomic Number | 55 | 
|---|---|
| Atomic Weight | 132.90545196 | 
| Адади массавӣ | 133 | 
| Group | 1 | 
|---|---|
| Period | 6 | 
| Block | s | 
| proton | 55 p+ | 
|---|---|
| neutron | 78 n0 | 
| electron | 55 e- | 
| Atomic Radius | |
|---|---|
| molar volume | |
| covalent radius | |
| Metallic Radius | |
| ionic radius | |
| Crystal Radius | |
| Van der Waals radius | |
| зичӣ | 
| энергия | |
|---|---|
| proton affinity | |
| electron affinity | |
| ionization energy | |
| enthalpy of vaporization | |
| гармои гудозиш | |
| standard enthalpy of formation | |
| electron | |
| Абри электронӣ | 2, 8, 18, 18, 8, 1 | 
| valence electron | 1 ⓘ | 
| electron configuration | [Xe] 6s1ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s1 | 
| oxidation number | -1, 1 | 
| electronegativity | 0.79 | 
| 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 | |
| Ранг | Black | 
| appearance | silvery gold | 
| refractive index | |
| thermodynamic material property | |
| Thermal Conductivity | |
| thermal expansion | |
| molar heat capacity | |
| Specific Heat Capacity | |
| heat capacity ratio | |
| electrical properties | |
| навъ | Conductor | 
| electrical conductivity | |
| electrical resistivity | |
| superconductivity | |
| magnetism | |
| навъ | paramagnetic | 
| magnetic susceptibility (Mass) | 0,0000000028 m³/Kg | 
| magnetic susceptibility (Molar) | 0,000000000372 m³/mol | 
| magnetic susceptibility (Volume) | 0,00000526  | 
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| сохт | |
| Crystal Structure | {ERROR} | 
| lattice constant | |
| Lattice Angles | π/2, π/2, π/2 | 
| mechanical property | |
| hardness | |
| bulk modulus | |
| shear modulus | |
| Young's modulus | |
| Poisson's ratio | |
| speed of sound | |
| classification | |
| Category | Actinides, Alkali metals | 
| CAS Group | IA | 
| IUPAC Group | IA | 
| Glawe Number | 8 | 
| Mendeleev Number | 5 | 
| Pettifor Number | 8 | 
| Geochemical Class | alkali metal | 
| Goldschmidt classification | litophile | 
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | 29  | 
| Neutron Mass Absorption | 0,0077  | 
| ададҳои квантӣ | 2S1/2 | 
| space group | 229 (Im_3m) | 
| Stable Isotopes | 1 | 
|---|---|
| Unstable Isotopes | 41 | 
| Natural Isotopes | 1 | 
| Адади массавӣ | 111 | 
|---|---|
| neutron number | 56 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | 3/2 | 
| nuclear quadrupole moment | |
| таърихи кашф | |
| parity | + | 
| decay mode | intensity | 
|---|---|
| p (proton emission) | 
| Адади массавӣ | 112 | 
|---|---|
| neutron number | 57 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 490 ± 30 us | 
| spin | 1 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1994 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| p (proton emission) | 100% | 
| α (α emission) | 0.26% | 
| Адади массавӣ | 113 | 
|---|---|
| neutron number | 58 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 16,94 ± 0,09 us | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1984 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| p (proton emission) | 100% | 
| Адади массавӣ | 114 | 
|---|---|
| neutron number | 59 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 570 ± 20 ms | 
| spin | 1 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1978 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| α (α emission) | 0.018% | 
| β+ p (β+-delayed proton emission) | 8.7% | 
| β+α (β+-delayed α emission) | 0.19% | 
| Адади массавӣ | 115 | 
|---|---|
| neutron number | 60 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,4 ± 0,8 s | 
| spin | 9/2 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1978 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 0.07% | 
| Адади массавӣ | 116 | 
|---|---|
| neutron number | 61 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 700 ± 40 ms | 
| spin | 1 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1975 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 0.28% | 
| β+α (β+-delayed α emission) | 0.049% | 
| Адади массавӣ | 117 | 
|---|---|
| neutron number | 62 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 8,4 ± 0,6 s | 
| spin | 9/2 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1972 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 118 | 
|---|---|
| neutron number | 63 | 
| Relative Atomic Mass | |
| g-factor | 1,935 ± 0,0025  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 14 ± 2 s | 
| spin | 2 | 
| nuclear quadrupole moment | 1,31 ± 0,17  | 
| таърихи кашф | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 0.021% | 
| β+α (β+-delayed α emission) | 0.0012% | 
| Адади массавӣ | 119 | 
|---|---|
| neutron number | 64 | 
| Relative Atomic Mass | |
| g-factor | 1,2111111111111 ± 0,0066666666666667  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 43 ± 0,2 s | 
| spin | 9/2 | 
| nuclear quadrupole moment | 2,65 ± 0,17  | 
| таърихи кашф | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+α (β+-delayed α emission) | 2% | 
| Адади массавӣ | 120 | 
|---|---|
| neutron number | 65 | 
| Relative Atomic Mass | |
| g-factor | 1,93 ± 0,01  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 60,4 ± 0,6 s | 
| spin | 2 | 
| nuclear quadrupole moment | 1,36 ± 0,07  | 
| таърихи кашф | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+α (β+-delayed α emission) | 2% | 
| β+ p (β+-delayed proton emission) | 7% | 
| Адади массавӣ | 121 | 
|---|---|
| neutron number | 66 | 
| Relative Atomic Mass | |
| g-factor | 0,51266666666667 ± 0,0026666666666667  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 155 ± 4 s | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,79 ± 0,04  | 
| таърихи кашф | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 122 | 
|---|---|
| neutron number | 67 | 
| Relative Atomic Mass | |
| g-factor | 0,133 ± 0,002  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 21,18 ± 0,19 s | 
| spin | 1 | 
| nuclear quadrupole moment | -0,179 ± 0,01  | 
| таърихи кашф | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+α (β+-delayed α emission) | 2% | 
| Адади массавӣ | 123 | 
|---|---|
| neutron number | 68 | 
| Relative Atomic Mass | |
| g-factor | 2,75 ± 0,014  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 5,88 ± 0,03 m | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| таърихи кашф | 1954 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 124 | 
|---|---|
| neutron number | 69 | 
| Relative Atomic Mass | |
| g-factor | 0,672 ± 0,003  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 30,9 ± 0,4 s | 
| spin | 1 | 
| nuclear quadrupole moment | -0,69 ± 0,04  | 
| таърихи кашф | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 125 | 
|---|---|
| neutron number | 70 | 
| Relative Atomic Mass | |
| g-factor | 2,814 ± 0,014  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 44,35 ± 0,29 m | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| таърихи кашф | 1954 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 126 | 
|---|---|
| neutron number | 71 | 
| Relative Atomic Mass | |
| g-factor | 0,776 ± 0,004  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,64 ± 0,02 m | 
| spin | 1 | 
| nuclear quadrupole moment | -0,64 ± 0,03  | 
| таърихи кашф | 1954 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 127 | 
|---|---|
| neutron number | 72 | 
| Relative Atomic Mass | |
| g-factor | 2,914 ± 0,014  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 6,25 ± 0,1 h | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| таърихи кашф | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 128 | 
|---|---|
| neutron number | 73 | 
| Relative Atomic Mass | |
| g-factor | 0,972 ± 0,005  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 3,64 ± 0,014 m | 
| spin | 1 | 
| nuclear quadrupole moment | -0,54 ± 0,03  | 
| таърихи кашф | 1951 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 129 | 
|---|---|
| neutron number | 74 | 
| Relative Atomic Mass | |
| g-factor | 2,978 ± 0,016  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 32,06 ± 0,06 h | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| таърихи кашф | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| Адади массавӣ | 130 | 
|---|---|
| neutron number | 75 | 
| Relative Atomic Mass | |
| g-factor | 1,458 ± 0,007  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 29,21 ± 0,04 m | 
| spin | 1 | 
| nuclear quadrupole moment | -0,056 ± 0,006  | 
| таърихи кашф | 1952 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 98.4% | 
| β− (β− decay) | 1.6% | 
| Адади массавӣ | 131 | 
|---|---|
| neutron number | 76 | 
| Relative Atomic Mass | |
| g-factor | 1,4144 ± 0,0012  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 9,689 ± 0,016 d | 
| spin | 5/2 | 
| nuclear quadrupole moment | 0,59 ± 0,02  | 
| таърихи кашф | 1947 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | 100% | 
| Адади массавӣ | 132 | 
|---|---|
| neutron number | 77 | 
| Relative Atomic Mass | |
| g-factor | 1,1095 ± 0,0035  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 6,48 ± 0,006 d | 
| spin | 2 | 
| nuclear quadrupole moment | 0,48 ± 0,02  | 
| таърихи кашф | 1953 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 98.13% | 
| β− (β− decay) | 1.87% | 
| Адади массавӣ | 133 | 
|---|---|
| neutron number | 78 | 
| Relative Atomic Mass | |
| g-factor | 0,73651428571429 ± 0,0004  | 
| natural abundance | 100  | 
| radioactivity | stable isotope | 
| half-life | Not Radioactive ☢️ | 
| spin | 7/2 | 
| nuclear quadrupole moment | -0,00343 ± 0,0001  | 
| таърихи кашф | 1921 | 
| parity | + | 
| Адади массавӣ | 134 | 
|---|---|
| neutron number | 79 | 
| Relative Atomic Mass | |
| g-factor | 0,747325 ± 0,00035  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 2,065 ± 0,0004 y | 
| spin | 4 | 
| nuclear quadrupole moment | 0,37 ± 0,02  | 
| таърихи кашф | 1940 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| ϵ (electron capture) | 0.0003% | 
| Адади массавӣ | 135 | 
|---|---|
| neutron number | 80 | 
| Relative Atomic Mass | |
| g-factor | 0,77951428571429 ± 0,00037142857142857  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,33 ± 0,19 My | 
| spin | 7/2 | 
| nuclear quadrupole moment | 0,048 ± 0,003  | 
| таърихи кашф | 1949 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Адади массавӣ | 136 | 
|---|---|
| neutron number | 81 | 
| Relative Atomic Mass | |
| g-factor | 0,741 ± 0,003  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 13,01 ± 0,05 d | 
| spin | 5 | 
| nuclear quadrupole moment | 0,213 ± 0,015  | 
| таърихи кашф | 1951 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Адади массавӣ | 137 | 
|---|---|
| neutron number | 82 | 
| Relative Atomic Mass | |
| g-factor | 0,81068571428571 ± 0,0004  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 30,04 ± 0,04 y | 
| spin | 7/2 | 
| nuclear quadrupole moment | 0,048 ± 0,002  | 
| таърихи кашф | 1951 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Адади массавӣ | 138 | 
|---|---|
| neutron number | 83 | 
| Relative Atomic Mass | |
| g-factor | 0,233 ± 0,0013333333333333  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 33,5 ± 0,2 m | 
| spin | 3 | 
| nuclear quadrupole moment | 0,112 ± 0,017  | 
| таърихи кашф | 1943 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Адади массавӣ | 139 | 
|---|---|
| neutron number | 84 | 
| Relative Atomic Mass | |
| g-factor | 0,768 ± 0,0011428571428571  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 9,27 ± 0,05 m | 
| spin | 7/2 | 
| nuclear quadrupole moment | -0,063 ± 0,014  | 
| таърихи кашф | 1939 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Адади массавӣ | 140 | 
|---|---|
| neutron number | 85 | 
| Relative Atomic Mass | |
| g-factor | 0,134 ± 0,001  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 63,7 ± 0,3 s | 
| spin | 1 | 
| nuclear quadrupole moment | -0,094 ± 0,015  | 
| таърихи кашф | 1950 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| Адади массавӣ | 141 | 
|---|---|
| neutron number | 86 | 
| Relative Atomic Mass | |
| g-factor | 0,69457142857143 ± 0,0028571428571429  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 24,84 ± 0,16 s | 
| spin | 7/2 | 
| nuclear quadrupole moment | -0,42 ± 0,07  | 
| таърихи кашф | 1962 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.0342% | 
| Адади массавӣ | 142 | 
|---|---|
| neutron number | 87 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,687 ± 0,01 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| таърихи кашф | 1962 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.089% | 
| Адади массавӣ | 143 | 
|---|---|
| neutron number | 88 | 
| Relative Atomic Mass | |
| g-factor | 0,57933333333333 ± 0,0026666666666667  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 1,802 ± 0,008 s | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,44 ± 0,03  | 
| таърихи кашф | 1962 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 1.62% | 
| Адади массавӣ | 144 | 
|---|---|
| neutron number | 89 | 
| Relative Atomic Mass | |
| g-factor | -0,545 ± 0,003  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 994 ± 6 ms | 
| spin | 1 | 
| nuclear quadrupole moment | 0,29 ± 0,02  | 
| таърихи кашф | 1967 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 2.98% | 
| Адади массавӣ | 145 | 
|---|---|
| neutron number | 90 | 
| Relative Atomic Mass | |
| g-factor | 0,522 ± 0,0026666666666667  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 582 ± 4 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,58 ± 0,06  | 
| таърихи кашф | 1971 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 12.8% | 
| Адади массавӣ | 146 | 
|---|---|
| neutron number | 91 | 
| Relative Atomic Mass | |
| g-factor | -0,514 ± 0,002  | 
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 321,6 ± 0,9 ms | 
| spin | 1 | 
| nuclear quadrupole moment | 0,21 ± 0,03  | 
| таърихи кашф | 1971 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 14.2% | 
| 2n (2-neutron emission) | 
| Адади массавӣ | 147 | 
|---|---|
| neutron number | 92 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 230,5 ± 0,9 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1978 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 28.5% | 
| Адади массавӣ | 148 | 
|---|---|
| neutron number | 93 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 151,8 ± 1 ms | 
| spin | 2 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1978 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 28.7% | 
| 2n (2-neutron emission) | 
| Адади массавӣ | 149 | 
|---|---|
| neutron number | 94 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 112,3 ± 2,5 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1979 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 25% | 
| 2n (2-neutron emission) | 
| Адади массавӣ | 150 | 
|---|---|
| neutron number | 95 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 81 ± 2,6 ms | 
| spin | 2 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1979 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 44% | 
| 2n (2-neutron emission) | 
| Адади массавӣ | 151 | 
|---|---|
| neutron number | 96 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | 59 ± 19 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| таърихи кашф | 1979 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| Адади массавӣ | 152 | 
|---|---|
| neutron number | 97 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element | 
| half-life | |
| spin | |
| nuclear quadrupole moment | |
| таърихи кашф | 1987 | 
| parity | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | 

| кошиф | Gustov Kirchoff, Robert Bunsen | 
|---|---|
| макони кашф | Germany | 
| таърихи кашф | 1860 | 
| Решашиносӣ | Latin: coesius (sky blue); for the blue lines of its spectrum. | 
| pronunciation | SEE-zi-em (Англисӣ) | 
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (Уқёнус) | |
| natural abundance (human body) | 0,000002 % | 
| natural abundance (meteoroid) | 0,000014 % | 
| natural abundance (Офтоб) | 0,0000008 % | 
| Abundance in Universe | 0,00000008 % | 
| 1 | s | 1.0957 | 
| 2 | p | 4.1804 | 
| 2 | s | 14.4884 | 
| 3 | d | 14.0194 | 
| 3 | p | 18.4222 | 
| 3 | s | 18.6226 | 
| 4 | d | 32.1616 | 
| 4 | p | 29.1424 | 
| 4 | s | 27.9576 | 
| 5 | p | 41.349 | 
| 5 | s | 39.5555 | 
| 6 | s | 48.637 |