Atomnummer | 61 |
---|---|
Atommassa | 144.91276 |
masstal | 126 |
Grupp | |
---|---|
Period | 6 |
Block | f |
Protoner | 61 p+ |
---|---|
Neutroner | 65 n0 |
Electrons | 61 e- |
fysisk egenskap | |
---|---|
atomradie | 185 pm
|
molvolym | |
kovalent radie | 173 pm
|
Metallic Radius | |
ionic radius | 97 pm
|
Crystal Radius | 111 pm
|
Van der Waalsradie |
238 pm
|
densitet | 7,26 g/cm³
|
energi | |
proton affinity | |
Elektronaffinitet | |
joniseringsenergi | 5,582 eV/particle
|
ångbildningsvärme | |
smältvärme | |
Bildningsentalpi | |
Electrons | |
electron shell | 2, 8, 18, 23, 8, 2 |
valenselektron | 2 |
elektronkonfiguration | [Xe] 4f5 6s2 |
oxidationstal | 2, 3 |
elektronegativitet | |
Electrophilicity | |
Phases | |
aggregationstillstånd | Fast |
Gas Phase | |
Kokpunkt | |
Smältpunkt | 1 315,15 K
|
critical pressure | |
critical temperature | |
trippelpunkt | |
Visual | |
färg | Silver
|
appearance | metallic |
Brytningsindex | |
materialegenskap | |
Värmeledningsförmåga | 17,9 W/(m K)
|
termisk expansion | 0,000011 1/K
|
molar heat capacity | |
Specifik värmekapacitet | |
heat capacity ratio | |
electrical properties | |
type | Conductor |
elektrisk konduktivitet | 1,3 MS/m
|
resistivitet | 0,00000075 m Ω
|
supraledare | |
magnetism | |
type | |
magnetisk susceptibilitet (Mass) | |
magnetisk susceptibilitet (Molar) | |
magnetisk susceptibilitet (Volume) | |
magnetic ordering | |
Curiepunkten | |
Néel temperature | |
Structure | |
Kristallstruktur | () |
Gitterkonstant | |
Lattice Angles | |
mekanisk materialegenskap | |
hårdhet | |
Kompressibilitet | 33 GPa
|
skjuvmodul | 18 GPa
|
Young's modulus | 46 GPa
|
Poissons konstant | 0,28
|
ljudhastighet | |
klassificering | |
Kategori | Lantanoider, Lanthanides |
CAS Group | |
IUPAC Group | |
Glawe Number | 28 |
Mendeleev Number | 21 |
Pettifor Number | 29 |
Geochemical Class | rare earth & related |
Goldschmidt classification | litophile |
övrigt | |
Gas Basicity | |
Dipole Polarizability | |
C6 Dispersion Coefficient | |
Allotropes | |
Träffyta | 8 400
|
Neutron Mass Absorption | |
kvanttal | 6H5/2 |
rymdgrupp | () |
Stabila isotoper | 0 |
---|---|
Instabila isotoper | 40 |
Radioactive Isotopes | 40 |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 126 |
g-factor | |
Halveringstid | |
Spinn | |
nuclear quadrupole moment | |
upptäcktsdatum | |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 127 |
g-factor | |
Halveringstid | |
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
p (proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 128 |
g-factor | |
Halveringstid | 1 ± 0,3 s
|
Spinn | 4 |
nuclear quadrupole moment | |
upptäcktsdatum | 1999 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
p (proton emission) | 0% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 129 |
g-factor | |
Halveringstid | 2,4 ± 0,9 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2004 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
p (proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 130 |
g-factor | |
Halveringstid | 2,6 ± 0,2 s
|
Spinn | 5 |
nuclear quadrupole moment | |
upptäcktsdatum | 1985 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 131 |
g-factor | |
Halveringstid | 6,3 ± 0,8 s
|
Spinn | 11/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1998 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 132 |
g-factor | |
Halveringstid | 6,2 ± 0,6 s
|
Spinn | 3 |
nuclear quadrupole moment | |
upptäcktsdatum | 1977 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 5% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 133 |
g-factor | |
Halveringstid | 13,5 ± 2,1 s
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1977 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 134 |
g-factor | |
Halveringstid | 22 ± 1 s
|
Spinn | 5 |
nuclear quadrupole moment | |
upptäcktsdatum | 1977 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 135 |
g-factor | |
Halveringstid | 49 ± 3 s
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1975 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 136 |
g-factor | |
Halveringstid | 107 ± 6 s
|
Spinn | 7 |
nuclear quadrupole moment | |
upptäcktsdatum | 1988 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 137 |
g-factor | |
Halveringstid | |
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1975 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 138 |
g-factor | 1,0666666666667 ± 0,3
|
Halveringstid | 3,24 ± 0,05 m
|
Spinn | 3 |
nuclear quadrupole moment | |
upptäcktsdatum | 1973 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 139 |
g-factor | |
Halveringstid | 4,15 ± 0,05 m
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1967 |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 140 |
g-factor | |
Halveringstid | 9,2 ± 0,2 s
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1966 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 141 |
g-factor | |
Halveringstid | 20,9 ± 0,05 m
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1952 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 142 |
g-factor | |
Halveringstid | 40,5 ± 0,5 s
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1959 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
e+ (positron emission) | 77.1% |
ϵ (electron capture) | 22.9% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 143 |
g-factor | 1,52 ± 0,2
|
Halveringstid | 265 ± 7 d
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1952 |
Paritet | + |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
e+ (positron emission) | 5.7% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 144 |
g-factor | 0,338 ± 0,028
|
Halveringstid | 363 ± 14 d
|
Spinn | 5 |
nuclear quadrupole moment | |
upptäcktsdatum | 1952 |
Paritet | - |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
e+ (positron emission) | 8% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 145 |
g-factor | 1,52 ± 0,064
|
Halveringstid | 17,7 ± 0,4 y
|
Spinn | 5/2 |
nuclear quadrupole moment | 0,23 ± 0,08
|
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
α (α emission) | 2.8% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 146 |
g-factor | |
Halveringstid | 5,53 ± 0,05 y
|
Spinn | 3 |
nuclear quadrupole moment | |
upptäcktsdatum | 1960 |
Paritet | - |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 66% |
β− (β− decay) | 34% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 147 |
g-factor | 0,73714285714286 ± 0,02
|
Halveringstid | 2,6234 ± 0,0002 y
|
Spinn | 7/2 |
nuclear quadrupole moment | 0,74 ± 0,2
|
upptäcktsdatum | 1947 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 148 |
g-factor | 2,1 ± 0,2
|
Halveringstid | 5,368 ± 0,007 d
|
Spinn | 1 |
nuclear quadrupole moment | 0,2 ± 0,2
|
upptäcktsdatum | 1947 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 149 |
g-factor | 0,94285714285714 ± 0,14285714285714
|
Halveringstid | 53,08 ± 0,05 h
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1947 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 150 |
g-factor | |
Halveringstid | 2,698 ± 0,015 h
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1952 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 151 |
g-factor | 0,72 ± 0,08
|
Halveringstid | 28,4 ± 0,04 h
|
Spinn | 5/2 |
nuclear quadrupole moment | 2,2 ± 0,9
|
upptäcktsdatum | 1952 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 152 |
g-factor | |
Halveringstid | 4,12 ± 0,08 m
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1958 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 153 |
g-factor | |
Halveringstid | 5,25 ± 0,02 m
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1962 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 154 |
g-factor | |
Halveringstid | 2,68 ± 0,07 m
|
Spinn | 4 |
nuclear quadrupole moment | |
upptäcktsdatum | 1958 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 155 |
g-factor | |
Halveringstid | 41,5 ± 0,2 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1982 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 156 |
g-factor | |
Halveringstid | 27,4 ± 0,5 s
|
Spinn | 4 |
nuclear quadrupole moment | |
upptäcktsdatum | 1986 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 157 |
g-factor | |
Halveringstid | 10,56 ± 0,1 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1987 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 158 |
g-factor | 0
|
Halveringstid | 4,8 ± 0,5 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1987 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 159 |
g-factor | |
Halveringstid | 1,49 ± 0,13 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1998 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 160 |
g-factor | |
Halveringstid | 725 ± 57 ms
|
Spinn | 6 |
nuclear quadrupole moment | |
upptäcktsdatum | 2012 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 161 |
g-factor | |
Halveringstid | 1,05 ± 0,15 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2012 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 162 |
g-factor | |
Halveringstid | 630 ± 180 ms
|
Spinn | 2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2012 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 163 |
g-factor | |
Halveringstid | 255 ± 25 ms
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2012 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 164 |
g-factor | |
Halveringstid | |
Spinn | 5 |
nuclear quadrupole moment | |
upptäcktsdatum | 2018 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 165 |
g-factor | |
Halveringstid | |
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2018 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
β− n (β−-delayed neutron emission) | % |
upptäckare eller uppfinnare | J.A. Marinsky, L.E. Glendenin, C.D. Coryell |
---|---|
fyndplats | United States |
upptäcktsdatum | 1945 |
etymologi | Named for the Greek god, Prometheus. |
uttal | pro-MEE-thi-em (engelska) |
Förekomst | |
---|---|
Abundance in Earth's crust | |
Abundance in Oceans | |
Abundance in Human Body | 0 %
|
Abundance in Meteor | 0 %
|
Abundance in Sun | 0 %
|
Abundance in Universe | 0 %
|
1 | s | 1.2042 |
2 | p | 4.2562 |
2 | s | 16.0296 |
3 | d | 13.9018 |
3 | p | 19.4461 |
3 | s | 19.8154 |
4 | d | 33.26 |
4 | f | 37.866 |
4 | p | 30.3768 |
4 | s | 29.3604 |
5 | p | 44.586 |
5 | s | 42.1645 |
6 | s | 51.6046 |