Atomnummer | 36 |
---|---|
Atommassa | 83.798 |
masstal | 84 |
Grupp | 18 |
---|---|
Period | 4 |
Block | p |
Protoner | 36 p+ |
---|---|
Neutroner | 48 n0 |
Electrons | 36 e- |
fysisk egenskap | |
---|---|
atomradie | |
molvolym | 32,2 cm³/mol
|
kovalent radie | 117 pm
|
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Van der Waalsradie |
202 pm
|
densitet | 0,003425 g/cm³
|
energi | |
proton affinity | 424,6 kJ/mol
|
Elektronaffinitet | |
joniseringsenergi | 13,9996049 eV/particle
|
ångbildningsvärme | 9,05 kJ/mol
|
smältvärme | |
Bildningsentalpi | |
Electrons | |
electron shell | 2, 8, 18, 8 |
valenselektron | 8 |
elektronkonfiguration | [Ar] 3d10 4s2 4p6 |
oxidationstal | 0, 1, 2 |
elektronegativitet | |
Electrophilicity | |
Phases | |
aggregationstillstånd | Gasformig |
Gas Phase | Monoatomic |
Kokpunkt | 119,735 K
|
Smältpunkt | 115,78 K
|
critical pressure | 5,525 MPa
|
critical temperature | 209,48 K
|
trippelpunkt | |
Visual | |
färg | Färglös
|
appearance | colorless gas, exhibiting a whitish glow in a high electric field |
Brytningsindex | 1,000427
|
materialegenskap | |
Värmeledningsförmåga | 0,0095 W/(m K)
|
termisk expansion | |
molar heat capacity | 20,786 J/(mol K)
|
Specifik värmekapacitet | 0,248 J/(g⋅K)
|
heat capacity ratio | 5/3 |
electrical properties | |
type | |
elektrisk konduktivitet | |
resistivitet | |
supraledare | |
magnetism | |
type | diamagnetic |
magnetisk susceptibilitet (Mass) | −0,0000000044 m³/Kg
|
magnetisk susceptibilitet (Molar) | −0,000000000369 m³/mol
|
magnetisk susceptibilitet (Volume) | −0,0000000165
|
magnetic ordering | |
Curiepunkten | |
Néel temperature | |
Structure | |
Kristallstruktur | Ytcentrerat kubiskt (FCC) |
Gitterkonstant | 5,72 Å
|
Lattice Angles | π/2, π/2, π/2 |
mekanisk materialegenskap | |
hårdhet | |
Kompressibilitet | |
skjuvmodul | |
Young's modulus | |
Poissons konstant | |
ljudhastighet | 1 120 m/s
|
klassificering | |
Kategori | Ädelgaser, Noble gases |
CAS Group | VIII |
IUPAC Group | VIIIA |
Glawe Number | 4 |
Mendeleev Number | 115 |
Pettifor Number | 4 |
Geochemical Class | volatile |
Goldschmidt classification | atmophile |
övrigt | |
Gas Basicity | 402,4 kJ/mol
|
Dipole Polarizability | |
C6 Dispersion Coefficient | 130 a₀
|
Allotropes | |
Träffyta | 25
|
Neutron Mass Absorption | 0,013
|
kvanttal | 1S0 |
rymdgrupp | 225 (Fm_3m) |
Stabila isotoper | 6 |
---|---|
Instabila isotoper | 29 |
Radioactive Isotopes | 29 |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 67 |
g-factor | |
Halveringstid | 7,4 ± 2,9 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2016 |
Paritet | - |
decay mode | Intensitet |
---|---|
2p (2-proton emission) | 37% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 68 |
g-factor | 0
|
Halveringstid | 21,6 ± 3,3 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2016 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
β+ p (β+-delayed proton emission) | 90% |
p (proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 69 |
g-factor | |
Halveringstid | 27,9 ± 0,8 ms
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1995 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 94% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 70 |
g-factor | 0
|
Halveringstid | 45 ± 0,14 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1995 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 1.3% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 71 |
g-factor | |
Halveringstid | 98,8 ± 0,3 ms
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1981 |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 2.1% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 72 |
g-factor | 0
|
Halveringstid | 17,16 ± 0,18 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1973 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 73 |
g-factor | |
Halveringstid | 27,3 ± 1 s
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1972 |
Paritet |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 0.25% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 74 |
g-factor | 0
|
Halveringstid | 11,5 ± 0,11 m
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1960 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 75 |
g-factor | −0,2124 ± 0,0016
|
Halveringstid | 4,6 ± 0,07 m
|
Spinn | 5/2 |
nuclear quadrupole moment | 1,137 ± 0,013
|
upptäcktsdatum | 1960 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 76 |
g-factor | 0
|
Halveringstid | 14,8 ± 0,1 h
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1954 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 77 |
g-factor | −0,2332 ± 0,0012
|
Halveringstid | 72,6 ± 0,9 m
|
Spinn | 5/2 |
nuclear quadrupole moment | 0,948 ± 0,01
|
upptäcktsdatum | 1948 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | 0,355 ± 0,003
|
---|---|
relative atomic mass | |
masstal | 78 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1920 |
Paritet | + |
decay mode | Intensitet |
---|---|
2β+ (double β+ decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 79 |
g-factor | 1,072 ± 0,004
|
Halveringstid | 35,04 ± 0,1 h
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1948 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | 2,286 ± 0,01
|
---|---|
relative atomic mass | |
masstal | 80 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1920 |
Paritet | + |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 81 |
g-factor | −0,25914285714286 ± 0,00057142857142857
|
Halveringstid | 229 ± 11 ky
|
Spinn | 7/2 |
nuclear quadrupole moment | 0,644 ± 0,004
|
upptäcktsdatum | 1950 |
Paritet | + |
decay mode | Intensitet |
---|---|
ϵ (electron capture) | 100% |
natural abundance | 11,593 ± 0,031
|
---|---|
relative atomic mass | |
masstal | 82 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1920 |
Paritet | + |
natural abundance | 11,5 ± 0,019
|
---|---|
relative atomic mass | |
masstal | 83 |
g-factor | −0,21571777777778 ± 0,00000066666666666667
|
Halveringstid | |
Spinn | 9/2 |
nuclear quadrupole moment | 0,259 ± 0,001
|
upptäcktsdatum | 1920 |
Paritet | + |
natural abundance | 56,987 ± 0,015
|
---|---|
relative atomic mass | |
masstal | 84 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1920 |
Paritet | + |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 85 |
g-factor | −0,22344444444444 ± 0,000088888888888889
|
Halveringstid | 10,728 ± 0,007 y
|
Spinn | 9/2 |
nuclear quadrupole moment | 0,443 ± 0,003
|
upptäcktsdatum | 1940 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | 17,279 ± 0,041
|
---|---|
relative atomic mass | |
masstal | 86 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1920 |
Paritet | + |
decay mode | Intensitet |
---|---|
2β− (double β− decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 87 |
g-factor | −0,4088 ± 0,0008
|
Halveringstid | 76,3 ± 0,5 m
|
Spinn | 5/2 |
nuclear quadrupole moment | −0,3 ± 0,003
|
upptäcktsdatum | 1940 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 88 |
g-factor | 0
|
Halveringstid | 2,825 ± 0,019 h
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1939 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 89 |
g-factor | −0,22 ± 0,002
|
Halveringstid | 3,15 ± 0,04 m
|
Spinn | 3/2 |
nuclear quadrupole moment | 0,166 ± 0,002
|
upptäcktsdatum | 1940 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 90 |
g-factor | 0
|
Halveringstid | 32,32 ± 0,09 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 91 |
g-factor | −0,2332 ± 0,0008
|
Halveringstid | 8,57 ± 0,04 s
|
Spinn | 5/2 |
nuclear quadrupole moment | 0,303 ± 0,006
|
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 92 |
g-factor | 0
|
Halveringstid | 1,84 ± 0,008 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.0332% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 93 |
g-factor | −0,826 ± 0,004
|
Halveringstid | 1,287 ± 0,01 s
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 1.95% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 94 |
g-factor | 0
|
Halveringstid | 212 ± 4 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1972 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 1.11% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 95 |
g-factor | −0,82 ± 0,006
|
Halveringstid | 114 ± 3 ms
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1994 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 2.87% |
2n (2-neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 96 |
g-factor | 0
|
Halveringstid | 80 ± 8 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1994 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 3.7% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 97 |
g-factor | |
Halveringstid | 62,2 ± 3,2 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1997 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 6.7% |
2n (2-neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 98 |
g-factor | 0
|
Halveringstid | 42,8 ± 3,6 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1997 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 7% |
2n (2-neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 99 |
g-factor | |
Halveringstid | 40 ± 11 ms
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1997 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 11% |
2n (2-neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 100 |
g-factor | 0
|
Halveringstid | 12 ± 8 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 | 101 |
g-factor | |
Halveringstid | |
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2010 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
β− n (β−-delayed neutron emission) | % |
2n (2-neutron emission) | % |
upptäckare eller uppfinnare | Sir William Ramsey, M.W. Travers |
---|---|
fyndplats | Great Britain |
upptäcktsdatum | 1898 |
etymologi | Greek: kryptos (hidden). |
uttal | KRIP-ton (engelska) |
1 | s | 0.7684 |
2 | p | 3.953 |
2 | s | 9.602 |
3 | d | 15.3741 |
3 | p | 15.5658 |
3 | s | 14.9673 |
4 | p | 26.2308 |
4 | s | 24.6844 |