Atomnummer | 58 |
---|---|
Atommasse | 140.116 |
mass number | 140 |
Gruppe | |
---|---|
Periode | 6 |
Blok | f |
proton | 58 p+ |
---|---|
neutron | 82 n0 |
elektron | 58 e- |
Atomradius | |
---|---|
molar volume | |
Kovalent Radius | |
Metallic Radius | |
Ionisk radius | |
Crystal Radius | |
Van der Waals-radius | |
massefylde |
energi | |
---|---|
proton affinity | |
electron affinity | |
ioniseringsenergi | |
Fordampningsvarme | |
smeltevarme | |
standard enthalpy of formation | |
elektron | |
Elektronskal | 2, 8, 18, 19, 9, 2 |
Valenselektron | 2 ⓘ |
electron configuration | [Xe] 4f1 5d1 6s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f1 5d1 6s2 |
Oxidationstrin | 2, 3, 4 |
Elektronegativitet |
1.12
|
Electrophilicity Index | |
fundamental state of matter | |
stoffase | Fast stof |
gaseous state of matter | |
Kogepunkt | |
Smeltepunkt | |
critical pressure | |
critical temperature | |
trippelpunkt | |
appearance | |
farve | Silver
|
appearance | silvery white |
Brydningsindeks | |
materialeegenskab | |
Varmeledningsevne | |
Termisk ekspansion | |
molar heat capacity | |
Varmefylde | |
Adiabateksponenten | |
electrical properties | |
type | Conductor |
specifik ledningsevne | |
Elektrisk resistivitet | |
superledning | |
Magnetisme | |
type | paramagnetic |
magnetic susceptibility (Mass) | 0,00000022 m³/Kg
|
magnetic susceptibility (Molar) | 0,000000030826 m³/mol
|
magnetic susceptibility (Volume) | 0,0014716
|
magnetic ordering | |
Curietemperaturen | |
Néel temperature | |
struktur | |
Krystalstruktur | Simpel Hexagonal (FCC) |
lattice constant | |
Lattice Angles | π/2, π/2, 2 π/3 |
mechanical property | |
hårdhed | |
Kompressibilitetsmodul | |
Forskydningsmodul | |
E-modul | |
Poissons forhold | 0,24
|
speed of sound | |
klassificering | |
Kategori | Lantanider, Lanthanides |
CAS Group | |
IUPAC Group | |
Glawe Number | 31 |
Mendeleev Number | 15 |
Pettifor Number | 32 |
Geochemical Class | rare earth & related |
Goldschmidt classification | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | 0,6
|
Neutron Mass Absorption | 0,00021
|
quantum number | 1G4 |
rumgruppe | 194 (P63/mmc) |
Stable Isotopes | 1 |
---|---|
Unstable Isotopes | 40 |
Natural Isotopes | 4 |
mass number | 119 |
---|---|
neutron number | 61 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | |
spin | 5/2 |
nuclear quadrupole moment | |
opdagelsesdato | |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) |
mass number | 120 |
---|---|
neutron number | 62 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | |
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) |
mass number | 121 |
---|---|
neutron number | 63 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 1,1 ± 0,1 s
|
spin | 5/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1997 |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 1% |
mass number | 122 |
---|---|
neutron number | 64 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | |
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 2005 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) |
mass number | 123 |
---|---|
neutron number | 65 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 3,8 ± 0,2 s
|
spin | 5/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1984 |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
mass number | 124 |
---|---|
neutron number | 66 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 9,1 ± 1,2 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1978 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 125 |
---|---|
neutron number | 67 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 9,7 ± 0,3 s
|
spin | 7/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1978 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
mass number | 126 |
---|---|
neutron number | 68 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 51 ± 0,3 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1978 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 127 |
---|---|
neutron number | 69 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 34 ± 2 s
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1978 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 128 |
---|---|
neutron number | 70 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 3,93 ± 0,02 m
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1968 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 129 |
---|---|
neutron number | 71 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 3,5 ± 0,3 m
|
spin | 5/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1977 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 130 |
---|---|
neutron number | 72 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 22,9 ± 0,5 m
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1965 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 131 |
---|---|
neutron number | 73 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 10,3 ± 0,3 m
|
spin | 7/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1966 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 132 |
---|---|
neutron number | 74 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 3,51 ± 0,11 h
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1960 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 133 |
---|---|
neutron number | 75 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 97 ± 4 m
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 134 |
---|---|
neutron number | 76 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 3,16 ± 0,04 d
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
mass number | 135 |
---|---|
neutron number | 77 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 17,7 ± 0,3 h
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1948 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 136 |
---|---|
neutron number | 78 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 0,186 ± 0,002
|
radioaktivitet | ☢️ radioactive element |
halveringstid | |
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1936 |
Paritet | + |
decay mode | Intensitet |
---|---|
2β+ (double β+ decay) |
mass number | 137 |
---|---|
neutron number | 79 |
Relative Atomic Mass | |
g-factor | 0,64 ± 0,026666666666667
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 9 ± 0,3 h
|
spin | 3/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1948 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
mass number | 138 |
---|---|
neutron number | 80 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 0,251 ± 0,002
|
radioaktivitet | ☢️ radioactive element |
halveringstid | |
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1936 |
Paritet | + |
decay mode | Intensitet |
---|---|
2β+ (double β+ decay) |
mass number | 139 |
---|---|
neutron number | 81 |
Relative Atomic Mass | |
g-factor | 0,70666666666667 ± 0,026666666666667
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 137,642 ± 0,02 d
|
spin | 3/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1948 |
Paritet | + |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
mass number | 140 |
---|---|
neutron number | 82 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 88,449 ± 0,051
|
radioaktivitet | stable isotope |
halveringstid | Not Radioactive ☢️ |
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1925 |
Paritet | + |
mass number | 141 |
---|---|
neutron number | 83 |
Relative Atomic Mass | |
g-factor | 0,31142857142857 ± 0,011428571428571
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 32,505 ± 0,01 d
|
spin | 7/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1948 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 142 |
---|---|
neutron number | 84 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | 11,114 ± 0,051
|
radioaktivitet | ☢️ radioactive element |
halveringstid | |
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1925 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | |
2β− (double β− decay) |
mass number | 143 |
---|---|
neutron number | 85 |
Relative Atomic Mass | |
g-factor | 0,28666666666667 ± 0,0066666666666667
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 33,039 ± 0,006 h
|
spin | 3/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1948 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 144 |
---|---|
neutron number | 86 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 284,886 ± 0,025 d
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1945 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 145 |
---|---|
neutron number | 87 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 3,01 ± 0,06 m
|
spin | 5/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1954 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 146 |
---|---|
neutron number | 88 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 13,49 ± 0,16 m
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1953 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 147 |
---|---|
neutron number | 89 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 56,4 ± 1 s
|
spin | 5/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1964 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 148 |
---|---|
neutron number | 90 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 56,8 ± 0,3 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1964 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 149 |
---|---|
neutron number | 91 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 4,94 ± 0,04 s
|
spin | 3/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1974 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 150 |
---|---|
neutron number | 92 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 6,05 ± 0,07 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1970 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 151 |
---|---|
neutron number | 93 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 1,76 ± 0,06 s
|
spin | 3/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1997 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 152 |
---|---|
neutron number | 94 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 1,42 ± 0,02 s
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1990 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
mass number | 153 |
---|---|
neutron number | 95 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 865 ± 25 ms
|
spin | 3/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1994 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
mass number | 154 |
---|---|
neutron number | 96 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 722 ± 14 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 1994 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
mass number | 155 |
---|---|
neutron number | 97 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 313 ± 7 ms
|
spin | 5/2 |
nuclear quadrupole moment | |
opdagelsesdato | 1994 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
mass number | 156 |
---|---|
neutron number | 98 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 233 ± 9 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 2017 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
mass number | 157 |
---|---|
neutron number | 99 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 175 ± 41 ms
|
spin | 7/2 |
nuclear quadrupole moment | |
opdagelsesdato | 2017 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
mass number | 158 |
---|---|
neutron number | 100 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | 99 ± 93 ms
|
spin | 0 |
nuclear quadrupole moment | 0
|
opdagelsesdato | 2016 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
mass number | 159 |
---|---|
neutron number | 101 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
radioaktivitet | ☢️ radioactive element |
halveringstid | |
spin | 1/2 |
nuclear quadrupole moment | 0
|
opdagelsesdato | |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) |
opdager eller opfinder | W. von Hisinger, J. Berzelius, M. Klaproth |
---|---|
fundsted | Sweden/Germany |
opdagelsesdato | 1803 |
etymologi | Named after the asteroid, Ceres, discovered two years before the element. |
udtale | SER-i-em (engelsk) |
Forekomst | |
---|---|
Abundance in Earth's crust | |
natural abundance (verdenshave) | |
natural abundance (menneskelige krop) | |
natural abundance (Meteoroid) | 0,000075 %
|
natural abundance (Solen) | 0,0000004 %
|
Abundance in Universe | 0,000001 %
|
1 | s | 1.1519 |
2 | p | 4.2176 |
2 | s | 15.26 |
3 | d | 13.9147 |
3 | p | 19.0405 |
3 | s | 19.3408 |
4 | d | 32.3392 |
4 | f | 56.324 |
4 | p | 29.3936 |
4 | s | 28.32 |
5 | p | 41.0345 |
5 | s | 39.0865 |
6 | s | 47.2036 |