| Atomic Number | 54 | 
|---|---|
| Atomic Weight | 131.293 | 
| mass number | 132 | 
| Group | 18 | 
|---|---|
| Period | 5 | 
| Block | p | 
| Proton | 54 p+ | 
|---|---|
| Neutron | 78 n0 | 
| Elektron | 54 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, 18, 8 | 
| valence electron | 8 ⓘ | 
| electron configuration | [Kr] 4d10 5s2 5p6ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2 5p6 | 
| oxidation number | 0, 2, 4, 6, 8 | 
| electronegativity | 2.6 | 
| Electrophilicity Index | |
| fundamental state of matter | |
| phase of matter{ERROR} | |
| gaseous state of matter | Monoatomic | 
| Boiling Point | |
| Melting Point | |
| critical pressure | |
| critical temperature | |
| triple point | |
| appearance | |
| Faarf | Black | 
| appearance | colorless gas, exhibiting a blue glow when placed in a high voltage electric field | 
| refractive index | 1,000702  | 
| thermodynamic material property | |
| Thermal Conductivity | |
| thermal expansion | |
| molar heat capacity | |
| Specific Heat Capacity | |
| heat capacity ratio | 5/3 | 
| electrical properties | |
| type | |
| electrical conductivity | |
| electrical resistivity | |
| superconductivity | |
| Magnetismus | |
| type | diamagnetic | 
| magnetic susceptibility (Mass) | -0,0000000043 m³/Kg | 
| magnetic susceptibility (Molar) | -0,000000000565 m³/mol | 
| magnetic susceptibility (Volume) | -0,0000000254  | 
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| Struktur | |
| 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, Noble gases | 
| CAS Group | VIII | 
| IUPAC Group | VIIIA | 
| Glawe Number | 5 | 
| Mendeleev Number | 116 | 
| Pettifor Number | 5 | 
| Geochemical Class | volatile | 
| Goldschmidt classification | atmophile | 
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | 25  | 
| Neutron Mass Absorption | 0,0083  | 
| quantum number | 1S0 | 
| space group | 225 (Fm_3m) | 
| Stable Isotopes | 5 | 
|---|---|
| Unstable Isotopes | 38 | 
| Natural Isotopes | 9 | 
| mass number | 108 | 
|---|---|
| neutron number | 54 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 72 ± 35 us | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 2018 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| mass number | 109 | 
|---|---|
| neutron number | 55 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 13 ± 2 ms | 
| spin | 7/2 | 
| nuclear quadrupole moment | |
| Datum vun der Entdeckung | 2006 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| β+ (β+ decay; β+ = ϵ + e+) | |
| β+ p (β+-delayed proton emission) | 
| mass number | 110 | 
|---|---|
| neutron number | 56 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 93 ± 3 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1981 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 64% | 
| β+ (β+ decay; β+ = ϵ + e+) | 36% | 
| β+ p (β+-delayed proton emission) | 
| mass number | 111 | 
|---|---|
| neutron number | 57 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 740 ± 200 ms | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| Datum vun der Entdeckung | 1979 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 89.6% | 
| α (α emission) | 10.4% | 
| β+ p (β+-delayed proton emission) | 
| mass number | 112 | 
|---|---|
| neutron number | 58 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 2,7 ± 0,8 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1978 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 98.8% | 
| α (α emission) | 1.2% | 
| β+ p (β+-delayed proton emission) | 
| mass number | 113 | 
|---|---|
| neutron number | 59 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 2,74 ± 0,08 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| Datum vun der Entdeckung | 1973 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| α (α emission) | |
| β+ p (β+-delayed proton emission) | 7% | 
| β+α (β+-delayed α emission) | 0.007% | 
| mass number | 114 | 
|---|---|
| neutron number | 60 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 10 ± 0,4 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1977 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 115 | 
|---|---|
| neutron number | 61 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 18 ± 3 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| Datum vun der Entdeckung | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 0.34% | 
| mass number | 116 | 
|---|---|
| neutron number | 62 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 59 ± 2 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 117 | 
|---|---|
| neutron number | 63 | 
| Relative Atomic Mass | |
| g-factor | -0,23752 ± 0,0006  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 61 ± 2 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1,1 ± 0,4  | 
| Datum vun der Entdeckung | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 0.0029% | 
| mass number | 118 | 
|---|---|
| neutron number | 64 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 3,8 ± 0,9 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1965 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 119 | 
|---|---|
| neutron number | 65 | 
| Relative Atomic Mass | |
| g-factor | -0,26168 ± 0,0006  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 5,8 ± 0,3 m | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1,29 ± 0,05  | 
| Datum vun der Entdeckung | 1965 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| e+ (positron emission) | 79% | 
| ϵ (electron capture) | 21% | 
| mass number | 120 | 
|---|---|
| neutron number | 66 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 46 ± 0,6 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1965 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 121 | 
|---|---|
| neutron number | 67 | 
| Relative Atomic Mass | |
| g-factor | -0,2804 ± 0,0012  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 40,1 ± 2 m | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1,31 ± 0,05  | 
| Datum vun der Entdeckung | 1952 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 122 | 
|---|---|
| neutron number | 68 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 20,1 ± 0,1 h | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1952 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | 100% | 
| mass number | 123 | 
|---|---|
| neutron number | 69 | 
| Relative Atomic Mass | |
| g-factor | -0,3 ± 0,006  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 2,08 ± 0,02 h | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1952 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 124 | 
|---|---|
| neutron number | 70 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 0,095 ± 0,005  | 
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | |
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1922 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| 2β+ (double β+ decay) | 
| mass number | 125 | 
|---|---|
| neutron number | 71 | 
| Relative Atomic Mass | |
| g-factor | -0,538 ± 0,006  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 16,87 ± 0,08 h | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 126 | 
|---|---|
| neutron number | 72 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 0,089 ± 0,003  | 
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | |
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1922 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| 2β+ (double β+ decay) | 
| mass number | 127 | 
|---|---|
| neutron number | 73 | 
| Relative Atomic Mass | |
| g-factor | -1,0066 ± 0,0022  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 36,342 ± 0,003 d | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | 100% | 
| mass number | 128 | 
|---|---|
| neutron number | 74 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 1,91 ± 0,013  | 
| Radioaktivitéit | stable isotope | 
| half-life | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1922 | 
| parity | + | 
| mass number | 129 | 
|---|---|
| neutron number | 75 | 
| Relative Atomic Mass | |
| g-factor | -1,555922 ± 0,000032  | 
| natural abundance | 26,401 ± 0,138  | 
| Radioaktivitéit | stable isotope | 
| half-life | Not Radioactive ☢️ | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1920 | 
| parity | + | 
| mass number | 130 | 
|---|---|
| neutron number | 76 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 4,071 ± 0,022  | 
| Radioaktivitéit | stable isotope | 
| half-life | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1922 | 
| parity | + | 
| mass number | 131 | 
|---|---|
| neutron number | 77 | 
| Relative Atomic Mass | |
| g-factor | 0,46123 ± 0,0000046666666666667  | 
| natural abundance | 21,232 ± 0,051  | 
| Radioaktivitéit | stable isotope | 
| half-life | Not Radioactive ☢️ | 
| spin | 3/2 | 
| nuclear quadrupole moment | -0,114 ± 0,001  | 
| Datum vun der Entdeckung | 1920 | 
| parity | + | 
| mass number | 132 | 
|---|---|
| neutron number | 78 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 26,909 ± 0,055  | 
| Radioaktivitéit | stable isotope | 
| half-life | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1920 | 
| parity | + | 
| mass number | 133 | 
|---|---|
| neutron number | 79 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 5,2474 ± 0,0005 d | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,14 ± 0,005  | 
| Datum vun der Entdeckung | 1940 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 134 | 
|---|---|
| neutron number | 80 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 10,436 ± 0,035  | 
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | |
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1920 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| 2β− (double β− decay) | 
| mass number | 135 | 
|---|---|
| neutron number | 81 | 
| Relative Atomic Mass | |
| g-factor | 0,60213333333333 ± 0,00046666666666667  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 9,14 ± 0,02 h | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,21 ± 0,007  | 
| Datum vun der Entdeckung | 1940 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 136 | 
|---|---|
| neutron number | 82 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 8,857 ± 0,072  | 
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 2,18 ± 0,05 Zy | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1920 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| 2β− (double β− decay) | 100% | 
| mass number | 137 | 
|---|---|
| neutron number | 83 | 
| Relative Atomic Mass | |
| g-factor | -0,27725714285714 ± 0,00028571428571429  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 3,818 ± 0,013 m | 
| spin | 7/2 | 
| nuclear quadrupole moment | -0,47 ± 0,02  | 
| Datum vun der Entdeckung | 1943 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 138 | 
|---|---|
| neutron number | 84 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 14,14 ± 0,07 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1943 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 139 | 
|---|---|
| neutron number | 85 | 
| Relative Atomic Mass | |
| g-factor | -0,20266666666667 ± 0,0010666666666667  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 39,68 ± 0,14 s | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,39 ± 0,02  | 
| Datum vun der Entdeckung | 1951 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 140 | 
|---|---|
| neutron number | 86 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 13,6 ± 0,1 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1951 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 141 | 
|---|---|
| neutron number | 87 | 
| Relative Atomic Mass | |
| g-factor | 0,004 ± 0,0012  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 1,73 ± 0,01 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | -0,57 ± 0,02  | 
| Datum vun der Entdeckung | 1951 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.044% | 
| mass number | 142 | 
|---|---|
| neutron number | 88 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 1,23 ± 0,02 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1960 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.37% | 
| mass number | 143 | 
|---|---|
| neutron number | 89 | 
| Relative Atomic Mass | |
| g-factor | -0,184 ± 0,0008  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 511 ± 6 ms | 
| spin | 5/2 | 
| nuclear quadrupole moment | 0,91 ± 0,03  | 
| Datum vun der Entdeckung | 1951 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 1% | 
| mass number | 144 | 
|---|---|
| neutron number | 90 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 388 ± 7 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 2003 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 3% | 
| mass number | 145 | 
|---|---|
| neutron number | 91 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 188 ± 4 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| Datum vun der Entdeckung | 2003 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 5% | 
| 2n (2-neutron emission) | 
| mass number | 146 | 
|---|---|
| neutron number | 92 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 146 ± 6 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 1989 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 6.9% | 
| mass number | 147 | 
|---|---|
| neutron number | 93 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 88 ± 14 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| Datum vun der Entdeckung | 1994 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 8% | 
| 2n (2-neutron emission) | 
| mass number | 148 | 
|---|---|
| neutron number | 94 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | 85 ± 15 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 2010 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| mass number | 149 | 
|---|---|
| neutron number | 95 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | |
| spin | 3/2 | 
| nuclear quadrupole moment | |
| Datum vun der Entdeckung | 2018 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| mass number | 150 | 
|---|---|
| neutron number | 96 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Radioaktivitéit | ☢️ radioactive element | 
| half-life | |
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Datum vun der Entdeckung | 2018 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 

| Entdecker oder Erfinder | Sir William Ramsay; M. W. Travers | 
|---|---|
| location of discovery | England | 
| Datum vun der Entdeckung | 1898 | 
| Etymologie | Greek: xenos (strange). | 
| pronunciation | ZEE-non (Englesch) | 
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (Ozean) | |
| natural abundance (Mënschleche Kierper) | |
| natural abundance (Meteoroid) | |
| natural abundance (Sonn) | |
| Abundance in Universe | 0,000001 % | 
| 1 | s | 1.0785 | 
| 2 | p | 4.1654 | 
| 2 | s | 14.197 | 
| 3 | d | 14.0532 | 
| 3 | p | 18.3324 | 
| 3 | s | 18.4236 | 
| 4 | d | 32.1068 | 
| 4 | p | 29.0428 | 
| 4 | s | 27.8272 | 
| 5 | p | 41.5755 | 
| 5 | s | 39.782 |