| Atomic Number | 86 |
|---|---|
| Atomic Weight | 222 |
| mass number | 193 |
| Group | 18 |
|---|---|
| Period | 6 |
| Block | p |
| پروتون | 86 p+ |
|---|---|
| neutron | 107 n0 |
| ئېلېكترون | 86 e- |
| Atomic Radius | |
|---|---|
| molar volume | |
| covalent radius | |
| Metallic Radius | |
| ionic radius | |
| Crystal Radius | |
| Van der Waals radius | |
| density |
| ئېنېرگىيە | |
|---|---|
| proton affinity | |
| electron affinity | |
| ionization energy | |
| enthalpy of vaporization | |
| enthalpy of fusion | |
| standard enthalpy of formation | |
| ئېلېكترون | |
| ئېلېكترون قەۋەت | 2, 8, 18, 32, 18, 8 |
| valence electron | 8 ⓘ |
| electron configuration | [Xe] 4f14 5d10 6s2 6p6ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d10 6s2 6p6 |
| oxidation number | 2, 6 |
| electronegativity | |
| 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 | |
| color | Black
|
| appearance | colorless gas, occasionally glows green or red in discharge tubes |
| refractive index | |
| 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 | |
| magnetism | |
| type | |
| magnetic susceptibility (Mass) | |
| magnetic susceptibility (Molar) | |
| magnetic susceptibility (Volume) | |
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| structure | |
| Crystal Structure | {ERROR} |
| lattice constant | |
| Lattice Angles | |
| 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 | 6 |
| Mendeleev Number | 117 |
| Pettifor Number | 6 |
| Geochemical Class | U/Th decay series |
| Goldschmidt classification | synthetic |
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | 0.7
|
| Neutron Mass Absorption | |
| quantum number | 1S0 |
| space group | () |
| Stable Isotopes | 0 |
|---|---|
| Unstable Isotopes | 39 |
| Natural Isotopes | 0 |
| mass number | 193 |
|---|---|
| neutron number | 107 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 1.15 ± 0.27 ms
|
| spin | 3/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 2006 |
| parity | - |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 194 |
|---|---|
| neutron number | 108 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 780 ± 160 us
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 2006 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 195 |
|---|---|
| neutron number | 109 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 7 ± 3 ms
|
| spin | 3/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 2001 |
| parity | - |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 196 |
|---|---|
| neutron number | 110 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 4.7 ± 1.1 ms
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1995 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 197 |
|---|---|
| neutron number | 111 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 54 ± 6 ms
|
| spin | 3/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1995 |
| parity | - |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 198 |
|---|---|
| neutron number | 112 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 64.4 ± 1.6 ms
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1984 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 93% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 199 |
|---|---|
| neutron number | 113 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 590 ± 30 ms
|
| spin | 3/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1980 |
| parity | - |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 200 |
|---|---|
| neutron number | 114 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 1.09 ± 0.16 s
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1971 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 92% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 201 |
|---|---|
| neutron number | 115 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 7 ± 0.4 s
|
| spin | 3/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1967 |
| parity | - |
| decay mode | intensity |
|---|---|
| α (α emission) | |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 202 |
|---|---|
| neutron number | 116 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 9.7 ± 0.1 s
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1967 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 78% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 203 |
|---|---|
| neutron number | 117 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 44.2 ± 1.6 s
|
| spin | 3/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1967 |
| parity | - |
| decay mode | intensity |
|---|---|
| α (α emission) | 66% |
| β+ (β+ decay; β+ = ϵ + e+) | 34% |
| mass number | 204 |
|---|---|
| neutron number | 118 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 1.242 ± 0.023 m
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1967 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 72.4% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 205 |
|---|---|
| neutron number | 119 |
| Relative Atomic Mass | |
| g-factor | 0.3192 ± 0.00064
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 170 ± 4 s
|
| spin | 5/2 |
| nuclear quadrupole moment | 0.062 ± 0.006
|
| time of discovery or invention | 1967 |
| parity | - |
| decay mode | intensity |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 75.4% |
| α (α emission) | 24.6% |
| mass number | 206 |
|---|---|
| neutron number | 120 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 5.67 ± 0.17 m
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1954 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 62% |
| β+ (β+ decay; β+ = ϵ + e+) | 38% |
| mass number | 207 |
|---|---|
| neutron number | 121 |
| Relative Atomic Mass | |
| g-factor | 0.32496 ± 0.00064
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 9.25 ± 0.17 m
|
| spin | 5/2 |
| nuclear quadrupole moment | 0.22 ± 0.02
|
| time of discovery or invention | 1954 |
| parity | - |
| decay mode | intensity |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 79% |
| α (α emission) | 21% |
| mass number | 208 |
|---|---|
| neutron number | 122 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 24.35 ± 0.14 m
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1955 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 62% |
| β+ (β+ decay; β+ = ϵ + e+) | 38% |
| mass number | 209 |
|---|---|
| neutron number | 123 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 28.8 ± 1 m
|
| spin | 5/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1952 |
| parity | - |
| decay mode | intensity |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 83% |
| α (α emission) | 17% |
| mass number | 210 |
|---|---|
| neutron number | 124 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 2.4 ± 0.1 h
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1952 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 96% |
| β+ (β+ decay; β+ = ϵ + e+) |
| mass number | 211 |
|---|---|
| neutron number | 125 |
| Relative Atomic Mass | |
| g-factor | 1.1968 ± 0.0024
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 14.6 ± 0.2 h
|
| spin | 1/2 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1952 |
| parity | - |
| decay mode | intensity |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 72.6% |
| α (α emission) | 27.4% |
| mass number | 212 |
|---|---|
| neutron number | 126 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 23.9 ± 1.2 m
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1950 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 213 |
|---|---|
| neutron number | 127 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 19.5 ± 0.1 ms
|
| spin | 9/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1967 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 214 |
|---|---|
| neutron number | 128 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 259 ± 3 ns
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1970 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 215 |
|---|---|
| neutron number | 129 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 2.3 ± 0.1 us
|
| spin | 9/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1952 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 216 |
|---|---|
| neutron number | 130 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 29 ± 4 us
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1949 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 217 |
|---|---|
| neutron number | 131 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 593 ± 38 us
|
| spin | 9/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1949 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 218 |
|---|---|
| neutron number | 132 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 33.75 ± 0.15 ms
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1948 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 219 |
|---|---|
| neutron number | 133 |
| Relative Atomic Mass | |
| g-factor | -0.17596 ± 0.00048
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 3.96 ± 0.01 s
|
| spin | 5/2 |
| nuclear quadrupole moment | 1.15 ± 0.12
|
| time of discovery or invention | 1903 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 220 |
|---|---|
| neutron number | 134 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 55.6 ± 0.1 s
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1900 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| 2β− (double β− decay) |
| mass number | 221 |
|---|---|
| neutron number | 135 |
| Relative Atomic Mass | |
| g-factor | -0.0057428571428571 ± 0.00017142857142857
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 25.7 ± 0.5 m
|
| spin | 7/2 |
| nuclear quadrupole moment | -0.47 ± 0.05
|
| time of discovery or invention | 1956 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) | 78% |
| α (α emission) | 22% |
| mass number | 222 |
|---|---|
| neutron number | 136 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 3.8215 ± 0.0002 d
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1899 |
| parity | + |
| decay mode | intensity |
|---|---|
| α (α emission) | 100% |
| mass number | 223 |
|---|---|
| neutron number | 137 |
| Relative Atomic Mass | |
| g-factor | -0.22057142857143 ± 0.0022857142857143
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 24.3 ± 0.4 m
|
| spin | 7/2 |
| nuclear quadrupole moment | 0.8 ± 0.08
|
| time of discovery or invention | 1964 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) | 100% |
| α (α emission) |
| mass number | 224 |
|---|---|
| neutron number | 138 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 107 ± 3 m
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1964 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) | 100% |
| mass number | 225 |
|---|---|
| neutron number | 139 |
| Relative Atomic Mass | |
| g-factor | -0.198 ± 0.0022857142857143
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 4.66 ± 0.04 m
|
| spin | 7/2 |
| nuclear quadrupole moment | 0.84 ± 0.08
|
| time of discovery or invention | 1969 |
| parity | - |
| decay mode | intensity |
|---|---|
| β− (β− decay) | 100% |
| mass number | 226 |
|---|---|
| neutron number | 140 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 7.4 ± 0.1 m
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1969 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) | 100% |
| mass number | 227 |
|---|---|
| neutron number | 141 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 20.2 ± 0.4 s
|
| spin | 3/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 1986 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) | 100% |
| mass number | 228 |
|---|---|
| neutron number | 142 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 65 ± 2 s
|
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 1989 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) | 100% |
| mass number | 229 |
|---|---|
| neutron number | 143 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | 11.9 ± 1.3 s
|
| spin | 5/2 |
| nuclear quadrupole moment | |
| time of discovery or invention | 2009 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) | 100% |
| mass number | 230 |
|---|---|
| neutron number | 144 |
| Relative Atomic Mass | |
| g-factor | 0
|
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | |
| spin | 0 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 2010 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) |
| mass number | 231 |
|---|---|
| neutron number | 145 |
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivity | ☢️ radioactive element |
| half-life | |
| spin | 1/2 |
| nuclear quadrupole moment | 0
|
| time of discovery or invention | 2010 |
| parity | + |
| decay mode | intensity |
|---|---|
| β− (β− decay) |
| discoverer or inventor | Fredrich Ernst Dorn |
|---|---|
| location of discovery | Germany |
| time of discovery or invention | 1898 |
| etymology | Variation of the name of another element, radium. |
| pronunciation | RAY-don (ئىنگلىزچە) |
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (ئوكيانىيە) | |
| natural abundance (human body) | |
| natural abundance (meteoroid) | |
| natural abundance (قۇياش) | |
| Abundance in Universe | 0 %
|
| 1 | s | 1.6659 |
| 2 | p | 4.562 |
| 2 | s | 22.5864 |
| 3 | d | 13.4027 |
| 3 | p | 23.7194 |
| 3 | s | 24.9149 |
| 4 | d | 38.0572 |
| 4 | f | 37.6688 |
| 4 | p | 36.6988 |
| 4 | s | 35.85 |
| 5 | d | 58.647 |
| 5 | p | 54.029 |
| 5 | s | 52.107 |
| 6 | p | 69.9242 |
| 6 | s | 67.676 |