| Atomic Number | 56 | 
|---|---|
| Atomic Weight | 137.327 | 
| masa-zenbaki | 138 | 
| Group | 2 | 
|---|---|
| Period | 6 | 
| Block | s | 
| protoi | 56 p+ | 
|---|---|
| neutroi | 82 n0 | 
| elektroi | 56 e- | 
| Erradio Atomiko | |
|---|---|
| bolumen molar | |
| Erradio Kobalente | |
| Metallic Radius | |
| Erradio ioniko | |
| Crystal Radius | |
| Van der Waalsen erradio | |
| dentsitatea | 
| energia | |
|---|---|
| proton affinity | |
| Afinitate elektroniko | |
| ionizazio energia | |
| Irakite-entalpia | |
| urtze-entalpia | |
| formazio entalpia estandarra | |
| elektroi | |
| elektroi geruza | 2, 8, 18, 18, 8, 2 | 
| balentzia-elektroi | 2 ⓘ | 
| electron configuration | [Xe] 6s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 | 
| Oxidazio-egoera | 1, 2 | 
| Elektronegatibotasun | 0.89 | 
| Electrophilicity Index | |
| materiaren funtsezko egoera | |
| materiaren egoera{ERROR} | |
| materiaren egoera gaseoso | |
| Boiling Point | |
| Melting Point | |
| critical pressure | |
| critical temperature | |
| Puntu hirukoitz | |
| appearance | |
| kolore | Black | 
| appearance | |
| errefrakzio-indize | |
| thermodynamic material property | |
| Thermal Conductivity | |
| Bero-dilatazio | |
| molar heat capacity | |
| Specific Heat Capacity | |
| indize adiabatiko | |
| electrical properties | |
| type | Conductor | 
| Eroankortasun elektriko | |
| Erresistibitate elektriko | |
| Supereroankortasun | |
| Magnetismo | |
| type | paramagnetic | 
| suszeptibilitate magnetiko (Mass) | 0,0000000113 m³/Kg | 
| suszeptibilitate magnetiko (Molar) | 0,000000001552 m³/mol | 
| suszeptibilitate magnetiko (Volume) | 0,00003966  | 
| magnetic ordering | |
| Curieren tenperatura | |
| Néel temperature | |
| egitura | |
| Crystal Structure | {ERROR} | 
| lattice constant | |
| Lattice Angles | π/2, π/2, π/2 | 
| materialen propietate mekaniko | |
| Gogortasun | |
| konprimagarritasun-modulu | |
| Zizaila modulua | |
| Youngen modulu | |
| Poissonen modulu | |
| Soinuaren lastertasun | |
| classification | |
| Category | Actinides, Alkaline earth metals | 
| CAS Group | IIA | 
| IUPAC Group | IIA | 
| Glawe Number | 14 | 
| Mendeleev Number | 9 | 
| Pettifor Number | 14 | 
| Geochemical Class | alkaline earth metal | 
| Goldschmidt classification | litophile | 
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | 1,3  | 
| Neutron Mass Absorption | 0,00027  | 
| zenbaki kuantiko | 1S0 | 
| talde espazial | 229 (Im_3m) | 
| Stable Isotopes | 5 | 
|---|---|
| Unstable Isotopes | 37 | 
| Natural Isotopes | 7 | 
| masa-zenbaki | 113 | 
|---|---|
| neutron number | 57 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | |
| spin | 5/2 | 
| nuclear quadrupole moment | |
| aurkikuntza-data | |
| parity | + | 
| decay mode | intensity | 
|---|---|
| p (proton emission) | |
| α (α emission) | 
| masa-zenbaki | 114 | 
|---|---|
| neutron number | 58 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 460 ± 125 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1995 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 20% | 
| α (α emission) | 0.9% | 
| 12C | 0.0034% | 
| masa-zenbaki | 115 | 
|---|---|
| neutron number | 59 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 450 ± 50 ms | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| aurkikuntza-data | 1997 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 15% | 
| masa-zenbaki | 116 | 
|---|---|
| neutron number | 60 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 1,3 ± 0,2 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1997 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 3% | 
| masa-zenbaki | 117 | 
|---|---|
| neutron number | 61 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 1,75 ± 0,07 s | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| aurkikuntza-data | 1977 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 13% | 
| β+α (β+-delayed α emission) | 0.024% | 
| masa-zenbaki | 118 | 
|---|---|
| neutron number | 62 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 5,2 ± 0,2 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1997 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 119 | 
|---|---|
| neutron number | 63 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 5,4 ± 0,3 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| aurkikuntza-data | 1974 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 25% | 
| masa-zenbaki | 120 | 
|---|---|
| neutron number | 64 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 24 ± 2 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1974 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 121 | 
|---|---|
| neutron number | 65 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0,264 ± 0,0004  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 29,7 ± 1,5 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1,89 ± 0,13  | 
| aurkikuntza-data | 1975 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 0.02% | 
| masa-zenbaki | 122 | 
|---|---|
| neutron number | 66 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 1,95 ± 0,15 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1974 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 123 | 
|---|---|
| neutron number | 67 | 
| Atomo-Masa Erlatibo | |
| g-factor | −0,272 ± 0,0004  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 2,7 ± 0,4 m | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1,57 ± 0,13  | 
| aurkikuntza-data | 1962 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 124 | 
|---|---|
| neutron number | 68 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 11 ± 0,5 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1967 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 125 | 
|---|---|
| neutron number | 69 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0,354 ± 0,024  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 3,3 ± 0,3 m | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1968 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 126 | 
|---|---|
| neutron number | 70 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 100 ± 2 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1954 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 127 | 
|---|---|
| neutron number | 71 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0,1668 ± 0,002  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 12,7 ± 0,4 m | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1952 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 128 | 
|---|---|
| neutron number | 72 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 2,43 ± 0,05 d | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | 100% | 
| masa-zenbaki | 129 | 
|---|---|
| neutron number | 73 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 2,23 ± 0,11 h | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 130 | 
|---|---|
| neutron number | 74 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | 0,11 ± 0,01  | 
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | |
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1936 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| 2β+ (double β+ decay) | 
| masa-zenbaki | 131 | 
|---|---|
| neutron number | 75 | 
| Atomo-Masa Erlatibo | |
| g-factor | 1,4166 ± 0,0004  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 11,52 ± 0,01 d | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1947 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| masa-zenbaki | 132 | 
|---|---|
| neutron number | 76 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | 0,1 ± 0,01  | 
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | |
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1936 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| 2β+ (double β+ decay) | 
| masa-zenbaki | 133 | 
|---|---|
| neutron number | 77 | 
| Atomo-Masa Erlatibo | |
| g-factor | 1,5438 ± 0,0004  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 10,5379 ± 0,0016 y | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1941 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | 100% | 
| masa-zenbaki | 134 | 
|---|---|
| neutron number | 78 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | 2,42 ± 0,15  | 
| desintegrazio erradioaktibo | isotopo egonkor | 
| Semidesintegrazio-periodo | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1936 | 
| parity | + | 
| masa-zenbaki | 135 | 
|---|---|
| neutron number | 79 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0,55873333333333 ± 0,00013333333333333  | 
| natural abundance | 6,59 ± 0,1  | 
| desintegrazio erradioaktibo | isotopo egonkor | 
| Semidesintegrazio-periodo | Not Radioactive ☢️ | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,153 ± 0,002  | 
| aurkikuntza-data | 1932 | 
| parity | + | 
| masa-zenbaki | 136 | 
|---|---|
| neutron number | 80 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | 7,85 ± 0,24  | 
| desintegrazio erradioaktibo | isotopo egonkor | 
| Semidesintegrazio-periodo | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1932 | 
| parity | + | 
| masa-zenbaki | 137 | 
|---|---|
| neutron number | 81 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0,625 ± 0,00013333333333333  | 
| natural abundance | 11,23 ± 0,23  | 
| desintegrazio erradioaktibo | isotopo egonkor | 
| Semidesintegrazio-periodo | Not Radioactive ☢️ | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,236 ± 0,003  | 
| aurkikuntza-data | 1932 | 
| parity | + | 
| masa-zenbaki | 138 | 
|---|---|
| neutron number | 82 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | 71,7 ± 0,29  | 
| desintegrazio erradioaktibo | isotopo egonkor | 
| Semidesintegrazio-periodo | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1925 | 
| parity | + | 
| masa-zenbaki | 139 | 
|---|---|
| neutron number | 83 | 
| Atomo-Masa Erlatibo | |
| g-factor | −0,278 ± 0,0014285714285714  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 82,93 ± 0,09 m | 
| spin | 7/2 | 
| nuclear quadrupole moment | −0,552 ± 0,013  | 
| aurkikuntza-data | 1937 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| masa-zenbaki | 140 | 
|---|---|
| neutron number | 84 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 12,7534 ± 0,0021 d | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1939 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| masa-zenbaki | 141 | 
|---|---|
| neutron number | 85 | 
| Atomo-Masa Erlatibo | |
| g-factor | −0,22466666666667 ± 0,0033333333333333  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 18,27 ± 0,07 m | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0,437 ± 0,01  | 
| aurkikuntza-data | 1945 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| masa-zenbaki | 142 | 
|---|---|
| neutron number | 86 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 10,6 ± 0,2 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1959 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| masa-zenbaki | 143 | 
|---|---|
| neutron number | 87 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0,1772 ± 0,0044  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 14,5 ± 0,3 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | −0,85 ± 0,02  | 
| aurkikuntza-data | 1962 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| masa-zenbaki | 144 | 
|---|---|
| neutron number | 88 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 11,73 ± 0,08 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1967 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| masa-zenbaki | 145 | 
|---|---|
| neutron number | 89 | 
| Atomo-Masa Erlatibo | |
| g-factor | −0,114 ± 0,0028  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 4,31 ± 0,16 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1,18 ± 0,02  | 
| aurkikuntza-data | 1974 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| masa-zenbaki | 146 | 
|---|---|
| neutron number | 90 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 2,15 ± 0,04 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1970 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| masa-zenbaki | 147 | 
|---|---|
| neutron number | 91 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 893 ± 1 ms | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| aurkikuntza-data | 1978 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.07% | 
| masa-zenbaki | 148 | 
|---|---|
| neutron number | 92 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 620 ± 5 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1979 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.4% | 
| masa-zenbaki | 149 | 
|---|---|
| neutron number | 93 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 349 ± 4 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| aurkikuntza-data | 1993 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 3.9% | 
| masa-zenbaki | 150 | 
|---|---|
| neutron number | 94 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 258 ± 5 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 1994 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 1% | 
| masa-zenbaki | 151 | 
|---|---|
| neutron number | 95 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 167 ± 5 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| aurkikuntza-data | 1994 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 
| masa-zenbaki | 152 | 
|---|---|
| neutron number | 96 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 139 ± 8 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 2010 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 
| masa-zenbaki | 153 | 
|---|---|
| neutron number | 97 | 
| Atomo-Masa Erlatibo | |
| g-factor | |
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 113 ± 39 ms | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| aurkikuntza-data | 2016 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| masa-zenbaki | 154 | 
|---|---|
| neutron number | 98 | 
| Atomo-Masa Erlatibo | |
| g-factor | 0  | 
| natural abundance | |
| desintegrazio erradioaktibo | ☢️ radioactive element | 
| Semidesintegrazio-periodo | 53 ± 48 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| aurkikuntza-data | 2017 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 

| aurkitzailea edo asmatzailea | Sir Humphrey Davy | 
|---|---|
| aurkikuntzaren lekua | England | 
| aurkikuntza-data | 1808 | 
| etimologia | Greek: barys (heavy or dense). | 
| pronunciation | BAR-i-em (ingelesa) | 
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (ozeano) | |
| natural abundance (gizakiaren gorputza) | 0,00003 % | 
| natural abundance (Meteoroide) | 0,00027 % | 
| natural abundance (Eguzkia) | 0,000001 % | 
| Abundance in Universe | 0,000001 % | 
| 1 | s | 1.1139 | 
| 2 | p | 4.1904 | 
| 2 | s | 14.7532 | 
| 3 | d | 13.9757 | 
| 3 | p | 18.6836 | 
| 3 | s | 18.8444 | 
| 4 | d | 32.216 | 
| 4 | p | 29.1968 | 
| 4 | s | 28.08 | 
| 5 | p | 41.1995 | 
| 5 | s | 39.3805 | 
| 6 | s | 48.425 |