Atomnummer | 26 |
---|---|
Atommassa | 55.845 |
masstal | 56 |
Grupp | 8 |
---|---|
Period | 4 |
Block | d |
Protoner | 26 p+ |
---|---|
Neutroner | 30 n0 |
Electrons | 26 e- |
fysisk egenskap | |
---|---|
atomradie | 140 pm
|
molvolym | 7,1 cm³/mol
|
kovalent radie | 116 pm
|
Metallic Radius | 117 pm
|
ionic radius | 63 pm
|
Crystal Radius | 77 pm
|
Van der Waalsradie | 204 pm
|
densitet | 7,87 g/cm³
|
energi | |
proton affinity | 754 kJ/mol
|
Elektronaffinitet | 0,151 eV/particle
|
joniseringsenergi | 7,9024678 eV/particle
|
ångbildningsvärme | 340 kJ/mol
|
smältvärme | 13,8 kJ/mol
|
Bildningsentalpi | 415,5 kJ/mol
|
Electrons | |
electron shell | 2, 8, 14, 2 |
valenselektron | 2 |
elektronkonfiguration | [Ar] 3d6 4s2 |
oxidationstal | -4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7 |
elektronegativitet | 1.83
|
Electrophilicity | 1,045904228706801 eV/particle
|
Phases | |
aggregationstillstånd | Fast |
Gas Phase | |
Kokpunkt | 3 134,15 K
|
Smältpunkt | 1 811,15 K
|
critical pressure | |
critical temperature | 9 340,15 K
|
trippelpunkt | |
Visual | |
färg | Grå
|
appearance | lustrous metallic with a grayish tinge |
Brytningsindex | |
materialegenskap | |
Värmeledningsförmåga | 80,4 W/(m K)
|
termisk expansion | 0,0000118 1/K
|
molar heat capacity | 25,1 J/(mol K)
|
Specifik värmekapacitet | 0,449 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
type | Conductor |
elektrisk konduktivitet | 10 MS/m
|
resistivitet | 0,00000009700000000001 m Ω
|
supraledare | |
magnetism | |
type | ferromagnetic |
magnetisk susceptibilitet (Mass) | |
magnetisk susceptibilitet (Molar) | |
magnetisk susceptibilitet (Volume) | |
magnetic ordering | |
Curiepunkten | 1 043 K
|
Néel temperature | |
Structure | |
Kristallstruktur | Rymdcentrerat kubisk (BCC) |
Gitterkonstant | 2,87 Å
|
Lattice Angles | π/2, π/2, π/2 |
mekanisk materialegenskap | |
hårdhet | 4 MPa
|
Kompressibilitet | 170 GPa
|
skjuvmodul | 82 GPa
|
Young's modulus | 211 GPa
|
Poissons konstant | 0,29
|
ljudhastighet | 4 910 m/s
|
klassificering | |
Kategori | Övergångsmetaller, Transition metals |
CAS Group | VIIIA |
IUPAC Group | VIII |
Glawe Number | 71 |
Mendeleev Number | 59 |
Pettifor Number | 61 |
Geochemical Class | major |
Goldschmidt classification | siderophile |
övrigt | |
Gas Basicity | 731,1 kJ/mol
|
Dipole Polarizability | |
C6 Dispersion Coefficient | 482 a₀
|
Allotropes | |
Träffyta | 2,56
|
Neutron Mass Absorption | 0,0015
|
kvanttal | 5D4 |
rymdgrupp | 229 (Im_3m) |
Stabila isotoper | 4 |
---|---|
Instabila isotoper | 28 |
Radioactive Isotopes | 28 |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 45 |
g-factor | |
Halveringstid | 2,5 ± 0,2 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1996 |
Paritet | + |
decay mode | Intensitet |
---|---|
2p (2-proton emission) | 70% |
β+ (β+ decay; β+ = ϵ + e+) | 30% |
β+ p (β+-delayed proton emission) | 18.9% |
2p (2-proton emission) | 7.8% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 46 |
g-factor | 0
|
Halveringstid | 13 ± 2 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1992 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 78.7% |
2p (2-proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 47 |
g-factor | |
Halveringstid | 21,9 ± 0,2 ms
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1992 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 88.4% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 48 |
g-factor | 0
|
Halveringstid | 45,3 ± 0,6 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1987 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 15.3% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 49 |
g-factor | |
Halveringstid | 64,7 ± 0,3 ms
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1970 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 56.7% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 50 |
g-factor | 0
|
Halveringstid | 152 ± 0,6 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1977 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 0% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 51 |
g-factor | |
Halveringstid | 305,4 ± 2,3 ms
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1972 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 52 |
g-factor | 0
|
Halveringstid | 8,275 ± 0,008 h
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1948 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 53 |
g-factor | −0,18571428571429 ± 0,0028571428571429
|
Halveringstid | 8,51 ± 0,02 m
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1938 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | 5,845 ± 0,105
|
---|---|
relative atomic mass | |
masstal | 54 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1923 |
Paritet | + |
decay mode | Intensitet |
---|---|
2β+ (double β+ decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 55 |
g-factor | |
Halveringstid | 2,7562 ± 0,0004 y
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1939 |
Paritet | - |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
natural abundance | 91,754 ± 0,106
|
---|---|
relative atomic mass | |
masstal | 56 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1923 |
Paritet | + |
natural abundance | 2,119 ± 0,029
|
---|---|
relative atomic mass | |
masstal | 57 |
g-factor | |
Halveringstid | |
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1935 |
Paritet | - |
natural abundance | 0,282 ± 0,012
|
---|---|
relative atomic mass | |
masstal | 58 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1935 |
Paritet | + |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 59 |
g-factor | −0,22386666666667 ± 0,00026666666666667
|
Halveringstid | 44,5 ± 0,012 d
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1938 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 60 |
g-factor | 0
|
Halveringstid | 2,62 ± 0,04 My
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1957 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 61 |
g-factor | |
Halveringstid | 5,98 ± 0,06 m
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1957 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 62 |
g-factor | 0
|
Halveringstid | 68 ± 2 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1975 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 63 |
g-factor | |
Halveringstid | 6,1 ± 0,6 s
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1980 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 64 |
g-factor | 0
|
Halveringstid | 2 ± 0,2 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1980 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 65 |
g-factor | |
Halveringstid | 805 ± 10 ms
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1980 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 66 |
g-factor | 0
|
Halveringstid | 467 ± 29 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1985 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 67 |
g-factor | |
Halveringstid | 394 ± 9 ms
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1985 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 68 |
g-factor | 0
|
Halveringstid | 188 ± 4 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1985 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 69 |
g-factor | |
Halveringstid | 162 ± 7 ms
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1992 |
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 | 70 |
g-factor | 0
|
Halveringstid | 61,4 ± 0,7 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1997 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 71 |
g-factor | |
Halveringstid | 34,3 ± 2,6 ms
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1997 |
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 | 72 |
g-factor | 0
|
Halveringstid | 17 ± 1 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1997 |
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 | 73 |
g-factor | |
Halveringstid | 12,9 ± 1,6 ms
|
Spinn | 7/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2010 |
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 | 74 |
g-factor | 0
|
Halveringstid | 5 ± 5 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2010 |
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 | 75 |
g-factor | |
Halveringstid | |
Spinn | 9/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2013 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
β− n (β−-delayed neutron emission) | % |
2n (2-neutron emission) | % |
upptäckare eller uppfinnare | Known to the ancients. |
---|---|
fyndplats | |
upptäcktsdatum | |
etymologi | Anglo-Saxon: iron; symbol from Latin: ferrum (iron). |
uttal | EYE-ern (engelska) |
1 | s | 0.619 |
2 | p | 3.9112 |
2 | s | 7.401 |
3 | d | 14.8202 |
3 | p | 13.2221 |
3 | s | 12.3239 |
4 | s | 20.566 |