| Atomic Number | 56 | 
|---|---|
| Atomic Weight | 137.327 | 
| mass number | 138 | 
| Group | 2 | 
|---|---|
| Period | 6 | 
| Block | s | 
| protoni | 56 p+ | 
|---|---|
| nyutroni | 82 n0 | 
| elektroni | 56 e- | 
| Atomic Radius | |
|---|---|
| molar volume | |
| Covalent Radius | |
| Metallic Radius | |
| ionic radius | |
| Crystal Radius | |
| Van der Waals radius | |
| msongamano | 
| nishati | |
|---|---|
| proton affinity | |
| electron affinity | |
| ionization energy | |
| enthalpy of vaporization | |
| enthalpy of fusion | |
| standard enthalpy of formation | |
| elektroni | |
| Mzingo elektroni | 2, 8, 18, 18, 8, 2 | 
| valence electron | 2 ⓘ | 
| electron configuration | [Xe] 6s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 | 
| oxidation number | 1, 2 | 
| electronegativity | 0.89 | 
| Electrophilicity Index | |
| fundamental state of matter | |
| phase of matter{ERROR} | |
| gaseous state of matter | |
| Boiling Point | |
| Melting Point | |
| critical pressure | |
| critical temperature | |
| Kiwango utatu | |
| appearance | |
| Rangi | Black | 
| appearance | |
| 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 | |
| Uga sumaku | |
| type | paramagnetic | 
| magnetic susceptibility (Mass) | 0.0000000113 m³/Kg | 
| magnetic susceptibility (Molar) | 0.000000001552 m³/mol | 
| magnetic susceptibility (Volume) | 0.00003966  | 
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| structure | |
| 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, 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  | 
| quantum number | 1S0 | 
| space group | 229 (Im_3m) | 
| Stable Isotopes | 5 | 
|---|---|
| Unstable Isotopes | 37 | 
| Natural Isotopes | 7 | 
| mass number | 113 | 
|---|---|
| neutron number | 57 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | |
| spin | 5/2 | 
| nuclear quadrupole moment | |
| Uvumbuzi | |
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| p (proton emission) | |
| α (α emission) | 
| mass number | 114 | 
|---|---|
| neutron number | 58 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 460 ± 125 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1995 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 20% | 
| α (α emission) | 0.9% | 
| 12C | 0.0034% | 
| mass number | 115 | 
|---|---|
| neutron number | 59 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 450 ± 50 ms | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| Uvumbuzi | 1997 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 15% | 
| mass number | 116 | 
|---|---|
| neutron number | 60 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 1.3 ± 0.2 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1997 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 3% | 
| mass number | 117 | 
|---|---|
| neutron number | 61 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 1.75 ± 0.07 s | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| Uvumbuzi | 1977 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 13% | 
| β+α (β+-delayed α emission) | 0.024% | 
| mass number | 118 | 
|---|---|
| neutron number | 62 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 5.2 ± 0.2 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1997 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 119 | 
|---|---|
| neutron number | 63 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 5.4 ± 0.3 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| Uvumbuzi | 1974 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 25% | 
| mass number | 120 | 
|---|---|
| neutron number | 64 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 24 ± 2 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1974 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 121 | 
|---|---|
| neutron number | 65 | 
| Relative Atomic Mass | |
| g-factor | 0.264 ± 0.0004  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 29.7 ± 1.5 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1.89 ± 0.13  | 
| Uvumbuzi | 1975 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+ p (β+-delayed proton emission) | 0.02% | 
| mass number | 122 | 
|---|---|
| neutron number | 66 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 1.95 ± 0.15 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1974 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 123 | 
|---|---|
| neutron number | 67 | 
| Relative Atomic Mass | |
| g-factor | -0.272 ± 0.0004  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 2.7 ± 0.4 m | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1.57 ± 0.13  | 
| Uvumbuzi | 1962 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 124 | 
|---|---|
| neutron number | 68 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 11 ± 0.5 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1967 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 125 | 
|---|---|
| neutron number | 69 | 
| Relative Atomic Mass | |
| g-factor | 0.354 ± 0.024  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 3.3 ± 0.3 m | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1968 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 126 | 
|---|---|
| neutron number | 70 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 100 ± 2 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1954 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 127 | 
|---|---|
| neutron number | 71 | 
| Relative Atomic Mass | |
| g-factor | 0.1668 ± 0.002  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 12.7 ± 0.4 m | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1952 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 128 | 
|---|---|
| neutron number | 72 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 2.43 ± 0.05 d | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1950 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| ϵ (electron capture) | 100% | 
| mass number | 129 | 
|---|---|
| neutron number | 73 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 2.23 ± 0.11 h | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1950 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 130 | 
|---|---|
| neutron number | 74 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 0.11 ± 0.01  | 
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | |
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1936 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| 2β+ (double β+ decay) | 
| mass number | 131 | 
|---|---|
| neutron number | 75 | 
| Relative Atomic Mass | |
| g-factor | 1.4166 ± 0.0004  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 11.52 ± 0.01 d | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1947 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 132 | 
|---|---|
| neutron number | 76 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 0.1 ± 0.01  | 
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | |
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1936 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| 2β+ (double β+ decay) | 
| mass number | 133 | 
|---|---|
| neutron number | 77 | 
| Relative Atomic Mass | |
| g-factor | 1.5438 ± 0.0004  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 10.5379 ± 0.0016 y | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1941 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| ϵ (electron capture) | 100% | 
| mass number | 134 | 
|---|---|
| neutron number | 78 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 2.42 ± 0.15  | 
| Unururifu | stable isotope | 
| Nusumaisha | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1936 | 
| parity | + | 
| mass number | 135 | 
|---|---|
| neutron number | 79 | 
| Relative Atomic Mass | |
| g-factor | 0.55873333333333 ± 0.00013333333333333  | 
| natural abundance | 6.59 ± 0.1  | 
| Unururifu | stable isotope | 
| Nusumaisha | Not Radioactive ☢️ | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0.153 ± 0.002  | 
| Uvumbuzi | 1932 | 
| parity | + | 
| mass number | 136 | 
|---|---|
| neutron number | 80 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 7.85 ± 0.24  | 
| Unururifu | stable isotope | 
| Nusumaisha | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1932 | 
| parity | + | 
| mass number | 137 | 
|---|---|
| neutron number | 81 | 
| Relative Atomic Mass | |
| g-factor | 0.625 ± 0.00013333333333333  | 
| natural abundance | 11.23 ± 0.23  | 
| Unururifu | stable isotope | 
| Nusumaisha | Not Radioactive ☢️ | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0.236 ± 0.003  | 
| Uvumbuzi | 1932 | 
| parity | + | 
| mass number | 138 | 
|---|---|
| neutron number | 82 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | 71.7 ± 0.29  | 
| Unururifu | stable isotope | 
| Nusumaisha | Not Radioactive ☢️ | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1925 | 
| parity | + | 
| mass number | 139 | 
|---|---|
| neutron number | 83 | 
| Relative Atomic Mass | |
| g-factor | -0.278 ± 0.0014285714285714  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 82.93 ± 0.09 m | 
| spin | 7/2 | 
| nuclear quadrupole moment | -0.552 ± 0.013  | 
| Uvumbuzi | 1937 | 
| parity | - | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 140 | 
|---|---|
| neutron number | 84 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 12.7534 ± 0.0021 d | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1939 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 141 | 
|---|---|
| neutron number | 85 | 
| Relative Atomic Mass | |
| g-factor | -0.22466666666667 ± 0.0033333333333333  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 18.27 ± 0.07 m | 
| spin | 3/2 | 
| nuclear quadrupole moment | 0.437 ± 0.01  | 
| Uvumbuzi | 1945 | 
| parity | - | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 142 | 
|---|---|
| neutron number | 86 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 10.6 ± 0.2 m | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1959 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 143 | 
|---|---|
| neutron number | 87 | 
| Relative Atomic Mass | |
| g-factor | 0.1772 ± 0.0044  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 14.5 ± 0.3 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | -0.85 ± 0.02  | 
| Uvumbuzi | 1962 | 
| parity | - | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 144 | 
|---|---|
| neutron number | 88 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 11.73 ± 0.08 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1967 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 145 | 
|---|---|
| neutron number | 89 | 
| Relative Atomic Mass | |
| g-factor | -0.114 ± 0.0028  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 4.31 ± 0.16 s | 
| spin | 5/2 | 
| nuclear quadrupole moment | 1.18 ± 0.02  | 
| Uvumbuzi | 1974 | 
| parity | - | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 146 | 
|---|---|
| neutron number | 90 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 2.15 ± 0.04 s | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1970 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 147 | 
|---|---|
| neutron number | 91 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 893 ± 1 ms | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| Uvumbuzi | 1978 | 
| parity | - | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.07% | 
| mass number | 148 | 
|---|---|
| neutron number | 92 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 620 ± 5 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1979 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.4% | 
| mass number | 149 | 
|---|---|
| neutron number | 93 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 349 ± 4 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| Uvumbuzi | 1993 | 
| parity | - | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 3.9% | 
| mass number | 150 | 
|---|---|
| neutron number | 94 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 258 ± 5 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 1994 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 1% | 
| mass number | 151 | 
|---|---|
| neutron number | 95 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 167 ± 5 ms | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| Uvumbuzi | 1994 | 
| parity | - | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 
| mass number | 152 | 
|---|---|
| neutron number | 96 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 139 ± 8 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 2010 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 
| mass number | 153 | 
|---|---|
| neutron number | 97 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 113 ± 39 ms | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| Uvumbuzi | 2016 | 
| parity | - | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| mass number | 154 | 
|---|---|
| neutron number | 98 | 
| Relative Atomic Mass | |
| g-factor | 0  | 
| natural abundance | |
| Unururifu | ☢️ radioactive element | 
| Nusumaisha | 53 ± 48 ms | 
| spin | 0 | 
| nuclear quadrupole moment | 0  | 
| Uvumbuzi | 2017 | 
| parity | + | 
| hali ya kuoza | intensity | 
|---|---|
| β− (β− decay) | 100% | 

| mgunduzi au mvumbuzi | Sir Humphrey Davy | 
|---|---|
| location of discovery | England | 
| Uvumbuzi | 1808 | 
| Etimolojia | Greek: barys (heavy or dense). | 
| pronunciation | BAR-i-em (Kiingereza) | 
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (Bahari) | |
| natural abundance (Mwili) | 0.00003 % | 
| natural abundance (Kimondo) | 0.00027 % | 
| natural abundance (Jua) | 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 |