| Atomnummer | 54 |
|---|---|
| Atommassa | 131.293 |
| masstal | 132 |
| Grupp | 18 |
|---|---|
| Period | 5 |
| Block | p |
| proton | 54 p+ |
|---|---|
| neutron | 78 n0 |
| elektron | 54 e- |
| Atomradie | |
|---|---|
| molvolym | |
| Kovalent Radie | |
| Metallic Radius | |
| ionic radius | |
| Crystal Radius | |
| Van der Waalsradie | |
| densitet |
| energi | |
|---|---|
| proton affinity | |
| Elektronaffinitet | |
| joniseringsenergi | |
| ångbildningsvärme | |
| smältvärme | |
| Bildningsentalpi | |
| elektron | |
| electron shell | 2, 8, 18, 18, 8 |
| valenselektron | 8 ⓘ |
| elektronkonfiguration | [Kr] 4d10 5s2 5p6ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2 5p6 |
| oxidationstal | 0, 2, 4, 6, 8 |
| elektronegativitet |
2.6
|
| Electrophilicity Index | |
| fundamental state of matter | |
| aggregationstillstånd | {ERROR}|
| gaseous state of matter | Monoatomic |
| Kokpunkt | |
| Smältpunkt | |
| critical pressure | |
| critical temperature | |
| trippelpunkt | |
| appearance | |
| färg | Svart
|
| appearance | colorless gas, exhibiting a blue glow when placed in a high voltage electric field |
| Brytningsindex | 1,000702
|
| materialegenskap | |
| Värmeledningsförmåga | |
| termisk expansion | |
| molar heat capacity | |
| Specifik värmekapacitet | |
| heat capacity ratio | 5/3 |
| electrical properties | |
| type | |
| elektrisk konduktivitet | |
| resistivitet | |
| supraledare | |
| magnetism | |
| type | diamagnetic |
| magnetisk susceptibilitet (Mass) | −0,0000000043 m³/Kg
|
| magnetisk susceptibilitet (Molar) | −0,000000000565 m³/mol
|
| magnetisk susceptibilitet (Volume) | −0,0000000254
|
| magnetic ordering | |
| Curiepunkten | |
| Néel temperature | |
| struktur | |
| Kristallstruktur | {ERROR} |
| Gitterkonstant | |
| Lattice Angles | π/2, π/2, π/2 |
| mekanisk materialegenskap | |
| hårdhet | |
| Kompressibilitet | |
| skjuvmodul | |
| Young's modulus | |
| Poissons konstant | |
| ljudhastighet | |
| klassificering | |
| Kategori | Aktinider, 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 | |
|---|---|
| Polariserbarhet | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Träffyta | 25
|
| Neutron Mass Absorption | 0,0083
|
| kvanttal | 1S0 |
| rymdgrupp | 225 (Fm_3m) |
| Stabila isotoper | 5 |
|---|---|
| Instabila isotoper | 38 |
| Natural Isotopes | 9 |
| masstal | 108 |
|---|---|
| neutrontal | 54 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 72 ± 35 us
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 2018 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| α (α emission) | 100% |
| masstal | 109 |
|---|---|
| neutrontal | 55 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 13 ± 2 ms
|
| Spinn | 7/2 |
| nuclear quadrupole moment | |
| upptäcktsdatum | 2006 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) | |
| β+ p (β+-delayed proton emission) |
| masstal | 110 |
|---|---|
| neutrontal | 56 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 93 ± 3 ms
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1981 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| α (α emission) | 64% |
| β+ (β+ decay; β+ = ϵ + e+) | 36% |
| β+ p (β+-delayed proton emission) |
| masstal | 111 |
|---|---|
| neutrontal | 57 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 740 ± 200 ms
|
| Spinn | 5/2 |
| nuclear quadrupole moment | |
| upptäcktsdatum | 1979 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 89.6% |
| α (α emission) | 10.4% |
| β+ p (β+-delayed proton emission) |
| masstal | 112 |
|---|---|
| neutrontal | 58 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 2,7 ± 0,8 s
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1978 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 98.8% |
| α (α emission) | 1.2% |
| β+ p (β+-delayed proton emission) |
| masstal | 113 |
|---|---|
| neutrontal | 59 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 2,74 ± 0,08 s
|
| Spinn | 5/2 |
| nuclear quadrupole moment | |
| upptäcktsdatum | 1973 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| 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% |
| masstal | 114 |
|---|---|
| neutrontal | 60 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 10 ± 0,4 s
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1977 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| masstal | 115 |
|---|---|
| neutrontal | 61 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 18 ± 3 s
|
| Spinn | 5/2 |
| nuclear quadrupole moment | |
| upptäcktsdatum | 1969 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| β+ p (β+-delayed proton emission) | 0.34% |
| masstal | 116 |
|---|---|
| neutrontal | 62 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 59 ± 2 s
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1969 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| masstal | 117 |
|---|---|
| neutrontal | 63 |
| Relative Atomic Mass | |
| g-factor | −0,23752 ± 0,0006
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 61 ± 2 s
|
| Spinn | 5/2 |
| nuclear quadrupole moment | 1,1 ± 0,4
|
| upptäcktsdatum | 1969 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| β+ p (β+-delayed proton emission) | 0.0029% |
| masstal | 118 |
|---|---|
| neutrontal | 64 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 3,8 ± 0,9 m
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1965 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| masstal | 119 |
|---|---|
| neutrontal | 65 |
| Relative Atomic Mass | |
| g-factor | −0,26168 ± 0,0006
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 5,8 ± 0,3 m
|
| Spinn | 5/2 |
| nuclear quadrupole moment | 1,29 ± 0,05
|
| upptäcktsdatum | 1965 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| e+ (positron emission) | 79% |
| ϵ (electron capture) | 21% |
| masstal | 120 |
|---|---|
| neutrontal | 66 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 46 ± 0,6 m
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1965 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| masstal | 121 |
|---|---|
| neutrontal | 67 |
| Relative Atomic Mass | |
| g-factor | −0,2804 ± 0,0012
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 40,1 ± 2 m
|
| Spinn | 5/2 |
| nuclear quadrupole moment | 1,31 ± 0,05
|
| upptäcktsdatum | 1952 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| masstal | 122 |
|---|---|
| neutrontal | 68 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 20,1 ± 0,1 h
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1952 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| ϵ (electron capture) | 100% |
| masstal | 123 |
|---|---|
| neutrontal | 69 |
| Relative Atomic Mass | |
| g-factor | −0,3 ± 0,006
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 2,08 ± 0,02 h
|
| Spinn | 1/2 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1952 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| masstal | 124 |
|---|---|
| neutrontal | 70 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | 0,095 ± 0,005
|
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | |
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1922 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| 2β+ (double β+ decay) |
| masstal | 125 |
|---|---|
| neutrontal | 71 |
| Relative Atomic Mass | |
| g-factor | −0,538 ± 0,006
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 16,87 ± 0,08 h
|
| Spinn | 1/2 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1950 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| masstal | 126 |
|---|---|
| neutrontal | 72 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | 0,089 ± 0,003
|
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | |
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1922 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| 2β+ (double β+ decay) |
| masstal | 127 |
|---|---|
| neutrontal | 73 |
| Relative Atomic Mass | |
| g-factor | −1,0066 ± 0,0022
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 36,342 ± 0,003 d
|
| Spinn | 1/2 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1950 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| ϵ (electron capture) | 100% |
| masstal | 128 |
|---|---|
| neutrontal | 74 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | 1,91 ± 0,013
|
| radioaktivitet | stabil isotop |
| Halveringstid | Not Radioactive ☢️ |
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1922 |
| Paritet | + |
| masstal | 129 |
|---|---|
| neutrontal | 75 |
| Relative Atomic Mass | |
| g-factor | −1,555922 ± 0,000032
|
| natural abundance | 26,401 ± 0,138
|
| radioaktivitet | stabil isotop |
| Halveringstid | Not Radioactive ☢️ |
| Spinn | 1/2 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1920 |
| Paritet | + |
| masstal | 130 |
|---|---|
| neutrontal | 76 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | 4,071 ± 0,022
|
| radioaktivitet | stabil isotop |
| Halveringstid | Not Radioactive ☢️ |
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1922 |
| Paritet | + |
| masstal | 131 |
|---|---|
| neutrontal | 77 |
| Relative Atomic Mass | |
| g-factor | 0,46123 ± 0,0000046666666666667
|
| natural abundance | 21,232 ± 0,051
|
| radioaktivitet | stabil isotop |
| Halveringstid | Not Radioactive ☢️ |
| Spinn | 3/2 |
| nuclear quadrupole moment | −0,114 ± 0,001
|
| upptäcktsdatum | 1920 |
| Paritet | + |
| masstal | 132 |
|---|---|
| neutrontal | 78 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | 26,909 ± 0,055
|
| radioaktivitet | stabil isotop |
| Halveringstid | Not Radioactive ☢️ |
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1920 |
| Paritet | + |
| masstal | 133 |
|---|---|
| neutrontal | 79 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 5,2474 ± 0,0005 d
|
| Spinn | 3/2 |
| nuclear quadrupole moment | 0,14 ± 0,005
|
| upptäcktsdatum | 1940 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| masstal | 134 |
|---|---|
| neutrontal | 80 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | 10,436 ± 0,035
|
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | |
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1920 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| 2β− (double β− decay) |
| masstal | 135 |
|---|---|
| neutrontal | 81 |
| Relative Atomic Mass | |
| g-factor | 0,60213333333333 ± 0,00046666666666667
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 9,14 ± 0,02 h
|
| Spinn | 3/2 |
| nuclear quadrupole moment | 0,21 ± 0,007
|
| upptäcktsdatum | 1940 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| masstal | 136 |
|---|---|
| neutrontal | 82 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | 8,857 ± 0,072
|
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 2,18 ± 0,05 Zy
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1920 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| 2β− (double β− decay) | 100% |
| masstal | 137 |
|---|---|
| neutrontal | 83 |
| Relative Atomic Mass | |
| g-factor | −0,27725714285714 ± 0,00028571428571429
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 3,818 ± 0,013 m
|
| Spinn | 7/2 |
| nuclear quadrupole moment | −0,47 ± 0,02
|
| upptäcktsdatum | 1943 |
| Paritet | - |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| masstal | 138 |
|---|---|
| neutrontal | 84 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 14,14 ± 0,07 m
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1943 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| masstal | 139 |
|---|---|
| neutrontal | 85 |
| Relative Atomic Mass | |
| g-factor | −0,20266666666667 ± 0,0010666666666667
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 39,68 ± 0,14 s
|
| Spinn | 3/2 |
| nuclear quadrupole moment | 0,39 ± 0,02
|
| upptäcktsdatum | 1951 |
| Paritet | - |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| masstal | 140 |
|---|---|
| neutrontal | 86 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 13,6 ± 0,1 s
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1951 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| masstal | 141 |
|---|---|
| neutrontal | 87 |
| Relative Atomic Mass | |
| g-factor | 0,004 ± 0,0012
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 1,73 ± 0,01 s
|
| Spinn | 5/2 |
| nuclear quadrupole moment | −0,57 ± 0,02
|
| upptäcktsdatum | 1951 |
| Paritet | - |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 0.044% |
| masstal | 142 |
|---|---|
| neutrontal | 88 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 1,23 ± 0,02 s
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1960 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 0.37% |
| masstal | 143 |
|---|---|
| neutrontal | 89 |
| Relative Atomic Mass | |
| g-factor | −0,184 ± 0,0008
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 511 ± 6 ms
|
| Spinn | 5/2 |
| nuclear quadrupole moment | 0,91 ± 0,03
|
| upptäcktsdatum | 1951 |
| Paritet | - |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 1% |
| masstal | 144 |
|---|---|
| neutrontal | 90 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 388 ± 7 ms
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 2003 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 3% |
| masstal | 145 |
|---|---|
| neutrontal | 91 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 188 ± 4 ms
|
| Spinn | 3/2 |
| nuclear quadrupole moment | |
| upptäcktsdatum | 2003 |
| Paritet | - |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 5% |
| 2n (2-neutron emission) |
| masstal | 146 |
|---|---|
| neutrontal | 92 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 146 ± 6 ms
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 1989 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 6.9% |
| masstal | 147 |
|---|---|
| neutrontal | 93 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 88 ± 14 ms
|
| Spinn | 3/2 |
| nuclear quadrupole moment | |
| upptäcktsdatum | 1994 |
| Paritet | - |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 8% |
| 2n (2-neutron emission) |
| masstal | 148 |
|---|---|
| neutrontal | 94 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | 85 ± 15 ms
|
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 2010 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) |
| masstal | 149 |
|---|---|
| neutrontal | 95 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | |
| Spinn | 3/2 |
| nuclear quadrupole moment | |
| upptäcktsdatum | 2018 |
| Paritet | - |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) |
| masstal | 150 |
|---|---|
| neutrontal | 96 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioaktivitet | ☢️ Radioaktivt grundämne |
| Halveringstid | |
| Spinn | 0 |
| nuclear quadrupole moment | 0
|
| upptäcktsdatum | 2018 |
| Paritet | + |
| decay mode | Intensitet |
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) |
| upptäckare eller uppfinnare | Sir William Ramsay; M. W. Travers |
|---|---|
| fyndplats | England |
| upptäcktsdatum | 1898 |
| etymologi | Greek: xenos (strange). |
| uttal | ZEE-non (engelska) |
| Förekomst | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (världshav) | |
| natural abundance (människokropp) | |
| natural abundance (meteoroid) | |
| natural abundance (Solen) | |
| 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 |