| Atomic Number | 96 | 
|---|---|
| Atomic Weight | 247 | 
| жингийн тоо | 231 | 
| Group | |
|---|---|
| Period | 7 | 
| Block | f | 
| Протон | 96 p+ | 
|---|---|
| Нейтрон | 135 n0 | 
| Электрон | 96 e- | 
| Atomic Radius | |
|---|---|
| molar volume | |
| Covalent Radius | |
| Metallic Radius | |
| ionic radius | |
| Crystal Radius | |
| Van der Waals radius | |
| density | 
| энерги | |
|---|---|
| proton affinity | |
| electron affinity | |
| ionization energy | |
| enthalpy of vaporization | |
| enthalpy of fusion | |
| standard enthalpy of formation | |
| Электрон | |
| electron shell | 2, 8, 18, 32, 25, 9, 2 | 
| valence electron | 2 ⓘ | 
| electron configuration | [Rn] 5f7 6d1 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f7 6d1 7s2  | 
| Исэлдэлтийн зэрэг | 3, 4, 5, 6 | 
| Цахилгаан сөрөг чанар | |
| Electrophilicity Index | |
| fundamental state of matter | |
| phase of matter | {ERROR}|
| gaseous state of matter | |
| Boiling Point | |
| Melting Point | |
| critical pressure | |
| critical temperature | |
| Гурван фазын цэг | |
| appearance | |
| Өнгө | Black 
 | 
| appearance | silvery metallic, glows purple in the dark | 
| Хугалах илтгэгч | |
| thermodynamic material property | |
| Thermal Conductivity | |
| thermal expansion | |
| molar heat capacity | |
| Specific Heat Capacity | |
| heat capacity ratio | |
| electrical properties | |
| type | |
| electrical conductivity | |
| electrical resistivity | |
| Хэт дамжуулагч | |
| 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 | π/2, π/2, 2 π/3 | 
| mechanical property | |
| Хатуулаг | |
| bulk modulus | |
| shear modulus | |
| Young's modulus | |
| Poisson's ratio | |
| Дууны хурд | |
| classification | |
| Category | Actinides, Actinides | 
| CAS Group | |
| IUPAC Group | |
| Glawe Number | 40 | 
| Mendeleev Number | 28 | 
| Pettifor Number | 41 | 
| Geochemical Class | |
| Goldschmidt classification | synthetic | 
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | 60  
 | 
| Neutron Mass Absorption | |
| quantum number | 9D2 | 
| space group | 194 (P63/mmc) | 
| Stable Isotopes | 0 | 
|---|---|
| Unstable Isotopes | 22 | 
| Natural Isotopes | 0 | 
| жингийн тоо | 231 | 
|---|---|
| neutron number | 135 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | |
| spin | 3/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | |
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| α (α emission) | 
| жингийн тоо | 232 | 
|---|---|
| neutron number | 136 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | |
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | |
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| α (α emission) | 
| жингийн тоо | 233 | 
|---|---|
| neutron number | 137 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 27 ± 10 s 
 | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | 2001 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 20% | 
| β+ (β+ decay; β+ = ϵ + e+) | 80% | 
| жингийн тоо | 234 | 
|---|---|
| neutron number | 138 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 52 ± 9 s 
 | 
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 2001 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 71% | 
| α (α emission) | 27% | 
| SF (spontaneous fission) | 2% | 
| жингийн тоо | 235 | 
|---|---|
| neutron number | 139 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 7 ± 3 m 
 | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | 1981 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| α (α emission) | 4% | 
| жингийн тоо | 236 | 
|---|---|
| neutron number | 140 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 6.8 ± 0.8 m 
 | 
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 2010 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 82% | 
| α (α emission) | 18% | 
| SF (spontaneous fission) | 
| жингийн тоо | 237 | 
|---|---|
| neutron number | 141 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | |
| spin | 5/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | 2002 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | |
| α (α emission) | 
| жингийн тоо | 238 | 
|---|---|
| neutron number | 142 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 2.2 ± 0.4 h 
 | 
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1994 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | |
| α (α emission) | 3.84% | 
| SF (spontaneous fission) | 0.048% | 
| жингийн тоо | 239 | 
|---|---|
| neutron number | 143 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 2.5 ± 0.4 h 
 | 
| spin | 7/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | 1952 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| α (α emission) | 6.2% | 
| жингийн тоо | 240 | 
|---|---|
| neutron number | 144 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 30.4 ± 3.7 d 
 | 
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1949 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| ϵ (electron capture) | |
| SF (spontaneous fission) | 3.9% | 
| жингийн тоо | 241 | 
|---|---|
| neutron number | 145 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 32.8 ± 0.2 d 
 | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1952 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| ϵ (electron capture) | 99% | 
| α (α emission) | 1% | 
| жингийн тоо | 242 | 
|---|---|
| neutron number | 146 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 162.8 ± 0.2 d 
 | 
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1949 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| SF (spontaneous fission) | 6.2% | 
| 34Si | 1.1% | 
| 2β+ (double β+ decay) | 
| жингийн тоо | 243 | 
|---|---|
| neutron number | 147 | 
| Relative Atomic Mass | |
| g-factor | 0.16 ± 0.032  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 29.1 ± 0.1 y 
 | 
| spin | 5/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| ϵ (electron capture) | 0.29% | 
| SF (spontaneous fission) | 5.3% | 
| жингийн тоо | 244 | 
|---|---|
| neutron number | 148 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 18.11 ± 0.03 y 
 | 
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| SF (spontaneous fission) | 1.37% | 
| жингийн тоо | 245 | 
|---|---|
| neutron number | 149 | 
| Relative Atomic Mass | |
| g-factor | 0.14285714285714 ± 0.028571428571429  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 8.25 ± 0.07 ky 
 | 
| spin | 7/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | 1954 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| SF (spontaneous fission) | 6.1% | 
| жингийн тоо | 246 | 
|---|---|
| neutron number | 150 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 4.706 ± 0.04 ky 
 | 
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1954 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 99.97385% | 
| SF (spontaneous fission) | 0.02615% | 
| жингийн тоо | 247 | 
|---|---|
| neutron number | 151 | 
| Relative Atomic Mass | |
| g-factor | 0.08 ± 0.015555555555556  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 15.6 ± 0.5 My 
 | 
| spin | 9/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | 1954 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 100% | 
| жингийн тоо | 248 | 
|---|---|
| neutron number | 152 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 348 ± 6 ky 
 | 
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1956 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| α (α emission) | 91.61% | 
| SF (spontaneous fission) | 8.39% | 
| 2β− (double β− decay) | 
| жингийн тоо | 249 | 
|---|---|
| neutron number | 153 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 64.15 ± 0.03 m 
 | 
| spin | 1/2 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1956 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| жингийн тоо | 250 | 
|---|---|
| neutron number | 154 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | |
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | 1966 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| SF (spontaneous fission) | 74% | 
| α (α emission) | |
| β− (β− decay) | 
| жингийн тоо | 251 | 
|---|---|
| neutron number | 155 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | 16.8 ± 0.2 m 
 | 
| spin | 3/2 | 
| nuclear quadrupole moment | |
| time of discovery or invention | 1978 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| жингийн тоо | 252 | 
|---|---|
| neutron number | 156 | 
| Relative Atomic Mass | |
| g-factor | 0  
 | 
| natural abundance | |
| Цацраг идэвхт задрал | ☢️ radioactive element | 
| half-life | |
| spin | 0 | 
| nuclear quadrupole moment | 0  
 | 
| time of discovery or invention | |
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | |
| α (α emission) | 
| discoverer or inventor | G.T.Seaborg, R.A.James, A.Ghiorso | 
|---|---|
| location of discovery | United States | 
| time of discovery or invention | 1944 | 
| etymology | Named in honor of Pierre and Marie Curie. | 
| pronunciation | KYOOR-i-em (англи) | 
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (Далай) | |
| natural abundance (Хүний бие) | 0 % 
 | 
| natural abundance (Солир) | 0 % 
 | 
| natural abundance (Нар) | 0 % 
 | 
| Abundance in Universe | 0 % 
 |