Atomnummer | 57 |
---|---|
Atommassa | 138.90547 |
masstal | 139 |
Grupp | 3 |
---|---|
Period | 6 |
Block | d |
Protoner | 57 p+ |
---|---|
Neutroner | 82 n0 |
Electrons | 57 e- |
fysisk egenskap | |
---|---|
atomradie | 195 pm
|
molvolym | 22,5 cm³/mol
|
kovalent radie | 180 pm
|
Metallic Radius | 169 pm
|
ionic radius | 103,2 pm
|
Crystal Radius | 117,2 pm
|
Van der Waalsradie | 243 pm
|
densitet | 6,15 g/cm³
|
energi | |
proton affinity | 1 013 kJ/mol
|
Elektronaffinitet | 0,47 eV/particle
|
joniseringsenergi | 5,5769 eV/particle
|
ångbildningsvärme | 402 kJ/mol
|
smältvärme | 8,5 kJ/mol
|
Bildningsentalpi | 431 kJ/mol
|
Electrons | |
electron shell | 2, 8, 18, 18, 9, 2 |
valenselektron | 2 |
elektronkonfiguration | [Xe] 5d1 6s2 |
oxidationstal | 0, 1, 2, 3 |
elektronegativitet |
1.1
|
Electrophilicity | 0,894990101871977 eV/particle
|
Phases | |
aggregationstillstånd | Fast |
Gas Phase | |
Kokpunkt | 3 737,15 K
|
Smältpunkt | 1 193,15 K
|
critical pressure | |
critical temperature | |
trippelpunkt | |
Visual | |
färg | Silver
|
appearance | silvery white |
Brytningsindex | |
materialegenskap | |
Värmeledningsförmåga | 13,4 W/(m K)
|
termisk expansion | 0,0000121 1/K
|
molar heat capacity | 27,11 J/(mol K)
|
Specifik värmekapacitet | 0,195 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
type | Conductor |
elektrisk konduktivitet | 1,6 MS/m
|
resistivitet | 0,00000061 m Ω
|
supraledare | 4,88 K
|
magnetism | |
type | paramagnetic |
magnetisk susceptibilitet (Mass) | 0,000000011 m³/Kg
|
magnetisk susceptibilitet (Molar) | 0,000000001528 m³/mol
|
magnetisk susceptibilitet (Volume) | 0,00006761
|
magnetic ordering | |
Curiepunkten | |
Néel temperature | |
Structure | |
Kristallstruktur | Enkelt hexagonalt (HEX) |
Gitterkonstant | 3,75 Å
|
Lattice Angles | π/2, π/2, 2 π/3 |
mekanisk materialegenskap | |
hårdhet | 2,5 MPa
|
Kompressibilitet | 28 GPa
|
skjuvmodul | 14 GPa
|
Young's modulus | 37 GPa
|
Poissons konstant | 0,28
|
ljudhastighet | 2 475 m/s
|
klassificering | |
Kategori | Lantanoider, Lanthanides |
CAS Group | IIIA |
IUPAC Group | IIIB |
Glawe Number | 32 |
Mendeleev Number | 13 |
Pettifor Number | 33 |
Geochemical Class | rare earth & related |
Goldschmidt classification | litophile |
övrigt | |
Gas Basicity | 991,9 kJ/mol
|
Dipole Polarizability | |
C6 Dispersion Coefficient | |
Allotropes | |
Träffyta | 8,98
|
Neutron Mass Absorption | 0,0023
|
kvanttal | 2D3/2 |
rymdgrupp | 194 (P63/mmc) |
Stabila isotoper | 2 |
---|---|
Instabila isotoper | 40 |
Radioactive Isotopes | 41 |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 116 |
g-factor | |
Halveringstid | |
Spinn | |
nuclear quadrupole moment | |
upptäcktsdatum | |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
β+ p (β+-delayed proton emission) | % |
p (proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 117 |
g-factor | |
Halveringstid | 21,7 ± 1,8 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2001 |
Paritet | + |
decay mode | Intensitet |
---|---|
p (proton emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 118 |
g-factor | |
Halveringstid | |
Spinn | 1 |
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 | 119 |
g-factor | |
Halveringstid | |
Spinn | 11/2 |
nuclear quadrupole moment | |
upptäcktsdatum | |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 120 |
g-factor | |
Halveringstid | 2,8 ± 0,2 s
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1984 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 121 |
g-factor | |
Halveringstid | 5,3 ± 0,2 s
|
Spinn | 11/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1988 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 122 |
g-factor | |
Halveringstid | 8,6 ± 0,5 s
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1984 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 123 |
g-factor | |
Halveringstid | 17 ± 3 s
|
Spinn | 11/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1978 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 124 |
g-factor | |
Halveringstid | 29,21 ± 0,17 s
|
Spinn | 7 |
nuclear quadrupole moment | |
upptäcktsdatum | 1978 |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 125 |
g-factor | |
Halveringstid | 64,8 ± 1,2 s
|
Spinn | 11/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1973 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 126 |
g-factor | |
Halveringstid | 54 ± 2 s
|
Spinn | 5 |
nuclear quadrupole moment | |
upptäcktsdatum | 1961 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 127 |
g-factor | |
Halveringstid | 5,1 ± 0,1 m
|
Spinn | 11/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1963 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 128 |
g-factor | |
Halveringstid | 5,18 ± 0,14 m
|
Spinn | 5 |
nuclear quadrupole moment | |
upptäcktsdatum | 1961 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 129 |
g-factor | |
Halveringstid | 11,6 ± 0,2 m
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1963 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 130 |
g-factor | |
Halveringstid | 8,7 ± 0,1 m
|
Spinn | 3 |
nuclear quadrupole moment | |
upptäcktsdatum | 1961 |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 131 |
g-factor | |
Halveringstid | 59 ± 2 m
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 132 |
g-factor | |
Halveringstid | 4,59 ± 0,04 h
|
Spinn | 2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1951 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 133 |
g-factor | |
Halveringstid | 3,912 ± 0,008 h
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1950 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 134 |
g-factor | |
Halveringstid | 6,45 ± 0,16 m
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 135 |
g-factor | 1,48 ± 0,036
|
Halveringstid | 18,91 ± 0,02 h
|
Spinn | 5/2 |
nuclear quadrupole moment | −0,4 ± 0,4
|
upptäcktsdatum | 1948 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 136 |
g-factor | |
Halveringstid | 9,87 ± 0,03 m
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1950 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 137 |
g-factor | 0,77028571428571 ± 0,0017142857142857
|
Halveringstid | 60 ± 20 ky
|
Spinn | 7/2 |
nuclear quadrupole moment | 0,21 ± 0,04
|
upptäcktsdatum | 1948 |
Paritet | + |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
natural abundance | Radioactive ☢️ 0,08881 ± 0,00071
|
---|---|
relative atomic mass | |
masstal | 138 |
g-factor | 0,74168 ± 0,00004
|
Halveringstid | 103 ± 1 Gy
|
Spinn | 5 |
nuclear quadrupole moment | 0,39 ± 0,03
|
upptäcktsdatum | 1947 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 65.5% |
β− (β− decay) | 34.5% |
natural abundance | 99,91119 ± 0,00071
|
---|---|
relative atomic mass | |
masstal | 139 |
g-factor | 0,79402857142857 ± 0,000057142857142857
|
Halveringstid | |
Spinn | 7/2 |
nuclear quadrupole moment | 0,206 ± 0,004
|
upptäcktsdatum | 1924 |
Paritet | + |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 140 |
g-factor | 0,24333333333333 ± 0,005
|
Halveringstid | 40,289 ± 0,004 h
|
Spinn | 3 |
nuclear quadrupole moment | 0,087 ± 0,013
|
upptäcktsdatum | 1935 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 141 |
g-factor | |
Halveringstid | 3,92 ± 0,03 h
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 142 |
g-factor | |
Halveringstid | 91,1 ± 0,5 m
|
Spinn | 2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1953 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 143 |
g-factor | |
Halveringstid | 14,2 ± 0,1 m
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1951 |
Paritet |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 144 |
g-factor | |
Halveringstid | 44 ± 0,7 s
|
Spinn | 3 |
nuclear quadrupole moment | |
upptäcktsdatum | 1967 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 145 |
g-factor | |
Halveringstid | 24,8 ± 2 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1974 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 146 |
g-factor | |
Halveringstid | 9,9 ± 0,1 s
|
Spinn | 5 |
nuclear quadrupole moment | |
upptäcktsdatum | 1970 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 147 |
g-factor | |
Halveringstid | 4,026 ± 0,02 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1979 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.041% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 148 |
g-factor | |
Halveringstid | 1,414 ± 0,025 s
|
Spinn | 2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1969 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.18% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 149 |
g-factor | |
Halveringstid | 1,071 ± 0,022 s
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1979 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 1.43% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 150 |
g-factor | |
Halveringstid | 504 ± 15 ms
|
Spinn | 3 |
nuclear quadrupole moment | |
upptäcktsdatum | 1993 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 2.7% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 151 |
g-factor | |
Halveringstid | 465 ± 24 ms
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1994 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 152 |
g-factor | |
Halveringstid | 287 ± 16 ms
|
Spinn | 2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1994 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 153 |
g-factor | |
Halveringstid | 245 ± 18 ms
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1994 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
2n (2-neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 154 |
g-factor | |
Halveringstid | 161 ± 15 ms
|
Spinn | 2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2017 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
2n (2-neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 155 |
g-factor | |
Halveringstid | 101 ± 28 ms
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2016 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
2n (2-neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 156 |
g-factor | |
Halveringstid | 84 ± 78 ms
|
Spinn | 4 |
nuclear quadrupole moment | |
upptäcktsdatum | 2017 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 157 |
g-factor | |
Halveringstid | |
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2018 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
β− n (β−-delayed neutron emission) | % |
upptäckare eller uppfinnare | Carl Mosander |
---|---|
fyndplats | Sweden |
upptäcktsdatum | 1839 |
etymologi | Greek: lanthanein (to be hidden). |
uttal | LAN-the-nem (engelska) |
1 | s | 1.1317 |
2 | p | 4.2044 |
2 | s | 15.0466 |
3 | d | 13.9398 |
3 | p | 18.8604 |
3 | s | 19.0569 |
4 | d | 32.2748 |
4 | f | 55.64 |
4 | p | 29.2936 |
4 | s | 28.2036 |
5 | p | 41.104 |
5 | s | 39.189 |
6 | s | 47.688 |