Atomnummer | 64 |
---|---|
Atommassa | 157.25 |
masstal | 158 |
Grupp | |
---|---|
Period | 6 |
Block | f |
Protoner | 64 p+ |
---|---|
Neutroner | 94 n0 |
Electrons | 64 e- |
atomradie | 180 pm
|
---|---|
molvolym | 19,9 cm³/mol
|
kovalent radie | 169 pm
|
Metallic Radius | |
ionic radius | 93,8 pm
|
Crystal Radius | 107,8 pm
|
Van der Waalsradie |
234 pm
|
densitet | 7,9 g/cm³
|
energi | |
proton affinity | |
Elektronaffinitet | |
joniseringsenergi | 6,149796 eV/particle
|
ångbildningsvärme | 398 kJ/mol
|
smältvärme | |
Bildningsentalpi | 397,5 kJ/mol
|
Electrons | |
electron shell | 2, 8, 18, 25, 9, 2 |
valenselektron | 2 |
elektronkonfiguration | [Xe] 4f7 5d1 6s2 |
oxidationstal | 0, 1, 2, 3 |
elektronegativitet |
1.2
|
Electrophilicity | |
Phases | |
aggregationstillstånd | Fast |
Gas Phase | |
Kokpunkt | 3 546,15 K
|
Smältpunkt | 1 586,15 K
|
critical pressure | |
critical temperature | |
trippelpunkt | |
Visual | |
färg | Silver
|
appearance | silvery white |
Brytningsindex | |
materialegenskap | |
Värmeledningsförmåga | |
termisk expansion | 0,0000094 1/K
|
molar heat capacity | 37,03 J/(mol K)
|
Specifik värmekapacitet | 0,236 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
type | Conductor |
elektrisk konduktivitet | 0,77 MS/m
|
resistivitet | 0,0000013 m Ω
|
supraledare | |
magnetism | |
type | ferromagnetic |
magnetisk susceptibilitet (Mass) | |
magnetisk susceptibilitet (Molar) | |
magnetisk susceptibilitet (Volume) | |
magnetic ordering | |
Curiepunkten | 292 K
|
Néel temperature | |
Structure | |
Kristallstruktur | Enkelt hexagonalt (HEX) |
Gitterkonstant | 3,64 Å
|
Lattice Angles | π/2, π/2, 2 π/3 |
mekanisk materialegenskap | |
hårdhet | |
Kompressibilitet | 38 GPa
|
skjuvmodul | 22 GPa
|
Young's modulus | 55 GPa
|
Poissons konstant | 0,26
|
ljudhastighet | 2 680 m/s
|
klassificering | |
Kategori | Lantanoider, Lanthanides |
CAS Group | |
IUPAC Group | |
Glawe Number | 26 |
Mendeleev Number | 27 |
Pettifor Number | 27 |
Geochemical Class | rare earth & related |
Goldschmidt classification | litophile |
övrigt | |
Gas Basicity | |
Dipole Polarizability | |
C6 Dispersion Coefficient | |
Allotropes | |
Träffyta | 49 000
|
Neutron Mass Absorption | 7,3
|
kvanttal | 9D2 |
rymdgrupp | 194 (P63/mmc) |
Stabila isotoper | 7 |
---|---|
Instabila isotoper | 33 |
Radioactive Isotopes | 34 |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 133 |
g-factor | |
Halveringstid | |
Spinn | 5/2 |
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 | 134 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 135 |
g-factor | |
Halveringstid | 1,1 ± 0,2 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1996 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 2% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 136 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2000 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 137 |
g-factor | |
Halveringstid | 2,2 ± 0,2 s
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1999 |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 138 |
g-factor | 0
|
Halveringstid | 4,7 ± 0,9 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1985 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 139 |
g-factor | |
Halveringstid | 5,7 ± 0,3 s
|
Spinn | 9/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1983 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 140 |
g-factor | 0
|
Halveringstid | 15,8 ± 0,4 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1985 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
e+ (positron emission) | 67% |
ϵ (electron capture) | 33% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 141 |
g-factor | |
Halveringstid | 14 ± 4 s
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1986 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 0.03% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 142 |
g-factor | 0
|
Halveringstid | 70,2 ± 0,6 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1986 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
ϵ (electron capture) | 52% |
e+ (positron emission) | 48% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 143 |
g-factor | |
Halveringstid | 39 ± 2 s
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1975 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | % |
β+α (β+-delayed α emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 144 |
g-factor | 0
|
Halveringstid | 4,47 ± 0,06 m
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1968 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 145 |
g-factor | |
Halveringstid | 23 ± 0,4 m
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1959 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 146 |
g-factor | 0
|
Halveringstid | 48,27 ± 0,09 d
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1957 |
Paritet | + |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 147 |
g-factor | 0,29142857142857 ± 0,025714285714286
|
Halveringstid | 38,06 ± 0,12 h
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1957 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 148 |
g-factor | 0
|
Halveringstid | 71,3 ± 1 y
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1953 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
2β+ (double β+ decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 149 |
g-factor | 0,25142857142857 ± 0,011428571428571
|
Halveringstid | 9,28 ± 0,1 d
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1951 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 4.3% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 150 |
g-factor | 0
|
Halveringstid | 1,79 ± 0,08 My
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1953 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
2β+ (double β+ decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 151 |
g-factor | 0,22 ± 0,017142857142857
|
Halveringstid | 123,9 ± 1 d
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1950 |
Paritet | - |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
α (α emission) | 1.1% |
natural abundance | Radioactive ☢️ 0,2 ± 0,03
|
---|---|
relative atomic mass | |
masstal | 152 |
g-factor | 0
|
Halveringstid | 108 ± 8 Ty
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1938 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
2β+ (double β+ decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 153 |
g-factor | 0,25333333333333 ± 0,053333333333333
|
Halveringstid | 240,6 ± 0,7 d
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1947 |
Paritet | - |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
natural abundance | 2,18 ± 0,02
|
---|---|
relative atomic mass | |
masstal | 154 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1938 |
Paritet | + |
natural abundance | 14,8 ± 0,09
|
---|---|
relative atomic mass | |
masstal | 155 |
g-factor | −0,17273333333333 ± 0,00026666666666667
|
Halveringstid | |
Spinn | 3/2 |
nuclear quadrupole moment | 1,27 ± 0,03
|
upptäcktsdatum | 1933 |
Paritet | - |
natural abundance | 20,47 ± 0,03
|
---|---|
relative atomic mass | |
masstal | 156 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1933 |
Paritet | + |
natural abundance | 15,65 ± 0,04
|
---|---|
relative atomic mass | |
masstal | 157 |
g-factor | −0,22653333333333 ± 0,0004
|
Halveringstid | |
Spinn | 3/2 |
nuclear quadrupole moment | 1,35 ± 0,03
|
upptäcktsdatum | 1933 |
Paritet | - |
natural abundance | 24,84 ± 0,08
|
---|---|
relative atomic mass | |
masstal | 158 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1933 |
Paritet | + |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 159 |
g-factor | −0,29333333333333 ± 0,02
|
Halveringstid | 18,479 ± 0,004 h
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1949 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | 21,86 ± 0,03
|
---|---|
relative atomic mass | |
masstal | 160 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1933 |
Paritet | + |
decay mode | Intensitet |
---|---|
2β− (double β− decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 161 |
g-factor | |
Halveringstid | 3,646 ± 0,003 m
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1949 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 162 |
g-factor | 0
|
Halveringstid | 8,4 ± 0,2 m
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1967 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 163 |
g-factor | |
Halveringstid | 68 ± 3 s
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1982 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 164 |
g-factor | 0
|
Halveringstid | 45 ± 3 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1988 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 165 |
g-factor | |
Halveringstid | 11,6 ± 1 s
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1998 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 166 |
g-factor | 0
|
Halveringstid | 5,1 ± 0,8 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2005 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 167 |
g-factor | |
Halveringstid | 4,2 ± 0,3 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2012 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 168 |
g-factor | 0
|
Halveringstid | 3,03 ± 0,16 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1985 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 169 |
g-factor | |
Halveringstid | 750 ± 210 ms
|
Spinn | 7/2 |
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 | 170 |
g-factor | 0
|
Halveringstid | 420 ± 130 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2012 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 171 |
g-factor | |
Halveringstid | |
Spinn | 9/2 |
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 | 172 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2018 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
β− n (β−-delayed neutron emission) | % |
upptäckare eller uppfinnare | Jean de Marignac |
---|---|
fyndplats | Switzerland |
upptäcktsdatum | 1880 |
etymologi | Named after the mineral gadolinite. |
uttal | GAD-eh-LIN-i-em (engelska) |
1 | s | 1.2565 |
2 | p | 4.2946 |
2 | s | 16.783 |
3 | d | 13.723 |
3 | p | 19.8508 |
3 | s | 20.2903 |
4 | d | 34.3664 |
4 | f | 38.9864 |
4 | p | 31.3532 |
4 | s | 30.556 |
5 | p | 47.236 |
5 | s | 45.118 |
6 | s | 55.7854 |