Atomnummer | 11 |
---|---|
Atommassa | 22.98976928 |
masstal | 23 |
Grupp | 1 |
---|---|
Period | 3 |
Block | s |
Protoner | 11 p+ |
---|---|
Neutroner | 12 n0 |
Electrons | 11 e- |
fysisk egenskap | |
---|---|
atomradie | 180 pm
|
molvolym | 23,7 cm³/mol
|
kovalent radie | 155 pm
|
Metallic Radius | 157 pm
|
ionic radius | 99 pm
|
Crystal Radius | 113 pm
|
Van der Waalsradie | 227 pm
|
densitet | 0,97 g/cm³
|
energi | |
proton affinity | |
Elektronaffinitet | 0,547926 eV/particle
|
joniseringsenergi | 5,1390767 eV/particle
|
ångbildningsvärme | 97,9 kJ/mol
|
smältvärme | 2,64 kJ/mol
|
Bildningsentalpi | 107,5 kJ/mol
|
Electrons | |
electron shell | 2, 8, 1 |
valenselektron | 1 |
elektronkonfiguration | [Ne] 3s1 |
oxidationstal | -1, 0, 1 |
elektronegativitet | 0.93
|
Electrophilicity | 0,8805526605183994 eV/particle
|
Phases | |
aggregationstillstånd | Fast |
Gas Phase | |
Kokpunkt | 1 156,09 K
|
Smältpunkt | 370,944 K
|
critical pressure | 35 MPa
|
critical temperature | 2 573,15 K
|
trippelpunkt | |
Visual | |
färg | Silver
|
appearance | silvery white metallic |
Brytningsindex | |
materialegenskap | |
Värmeledningsförmåga | 142 W/(m K)
|
termisk expansion | 0,00007 1/K
|
molar heat capacity | 28,23 J/(mol K)
|
Specifik värmekapacitet | 1,228 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
type | Conductor |
elektrisk konduktivitet | 21 MS/m
|
resistivitet | 0,00000004699999999998 m Ω
|
supraledare | |
magnetism | |
type | paramagnetic |
magnetisk susceptibilitet (Mass) | 0,0000000088 m³/Kg
|
magnetisk susceptibilitet (Molar) | 0,0000000002 m³/mol
|
magnetisk susceptibilitet (Volume) | 0,0000086
|
magnetic ordering | |
Curiepunkten | |
Néel temperature | |
Structure | |
Kristallstruktur | Rymdcentrerat kubisk (BCC) |
Gitterkonstant | 4,23 Å
|
Lattice Angles | π/2, π/2, π/2 |
mekanisk materialegenskap | |
hårdhet | 0,5 MPa
|
Kompressibilitet | 6,3 GPa
|
skjuvmodul | 3,3 GPa
|
Young's modulus | 10 GPa
|
Poissons konstant | |
ljudhastighet | 3 200 m/s
|
klassificering | |
Kategori | Alkalimetaller, Alkali metals |
CAS Group | IA |
IUPAC Group | IA |
Glawe Number | 11 |
Mendeleev Number | 2 |
Pettifor Number | 11 |
Geochemical Class | major |
Goldschmidt classification | litophile |
övrigt | |
Gas Basicity | |
Dipole Polarizability | |
C6 Dispersion Coefficient | 1 518 a₀
|
Allotropes | |
Träffyta | 0,53
|
Neutron Mass Absorption | 0,0007
|
kvanttal | 2S1/2 |
rymdgrupp | 229 (Im_3m) |
Stabila isotoper | 1 |
---|---|
Instabila isotoper | 22 |
Radioactive Isotopes | 19 |
natural abundance | |
---|---|
relative atomic mass | |
masstal | 17 |
g-factor | |
Halveringstid | |
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2017 |
Paritet | + |
decay mode | Intensitet |
---|---|
p (proton emission) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 18 |
g-factor | |
Halveringstid | 1,3 ± 0,4 zs
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 2004 |
Paritet | - |
decay mode | Intensitet |
---|---|
p (proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 19 |
g-factor | |
Halveringstid | |
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1969 |
Paritet | + |
decay mode | Intensitet |
---|---|
p (proton emission) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 20 |
g-factor | 0,1847 ± 0,0001
|
Halveringstid | 447,9 ± 2,3 ms
|
Spinn | 2 |
nuclear quadrupole moment | 0,101 ± 0,008
|
upptäcktsdatum | 1950 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+α (β+-delayed α emission) | 25% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 21 |
g-factor | 1,5907333333333 ± 0,000026666666666667
|
Halveringstid | 22,455 ± 0,0054 s
|
Spinn | 3/2 |
nuclear quadrupole moment | 0,138 ± 0,011
|
upptäcktsdatum | 1940 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 22 |
g-factor | 0,582 ± 0,001
|
Halveringstid | 2,6019 ± 0,0006 y
|
Spinn | 3 |
nuclear quadrupole moment | 0,18 ± 0,011
|
upptäcktsdatum | 1935 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
e+ (positron emission) | 90.57% |
ϵ (electron capture) | 9.43% |
natural abundance | 100
|
---|---|
relative atomic mass | |
masstal | 23 |
g-factor | 1,4783333333333 ± 0,00002
|
Halveringstid | |
Spinn | 3/2 |
nuclear quadrupole moment | 0,104 ± 0,001
|
upptäcktsdatum | 1921 |
Paritet | + |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 24 |
g-factor | 0,422575 ± 0,0002
|
Halveringstid | 14,956 ± 0,0015 h
|
Spinn | 4 |
nuclear quadrupole moment | |
upptäcktsdatum | 1934 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 25 |
g-factor | 1,4732 ± 0,0016
|
Halveringstid | 59,1 ± 0,6 s
|
Spinn | 5/2 |
nuclear quadrupole moment | 0,0015 ± 0,0003
|
upptäcktsdatum | 1943 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 26 |
g-factor | 0,95033333333333 ± 0,00066666666666667
|
Halveringstid | 1 071,28 ± 0,25 ms
|
Spinn | 3 |
nuclear quadrupole moment | −0,0053 ± 0,0002
|
upptäcktsdatum | 1958 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 27 |
g-factor | 1,558 ± 0,002
|
Halveringstid | 301 ± 6 ms
|
Spinn | 5/2 |
nuclear quadrupole moment | −0,0071 ± 0,0003
|
upptäcktsdatum | 1968 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.098% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 28 |
g-factor | 2,426 ± 0,003
|
Halveringstid | 33,1 ± 1,3 ms
|
Spinn | 1 |
nuclear quadrupole moment | 0,389 ± 0,011
|
upptäcktsdatum | 1969 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.58% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 29 |
g-factor | 1,6326666666667 ± 0,0053333333333333
|
Halveringstid | 43,2 ± 0,4 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | 0,085 ± 0,003
|
upptäcktsdatum | 1969 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 22% |
2n (2-neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 30 |
g-factor | 1,0415 ± 0,005
|
Halveringstid | 45,9 ± 0,7 ms
|
Spinn | 2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1969 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 28.6% |
2n (2-neutron emission) | 1.24% |
β−α (β−-delayed α emission) | 5.5% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 31 |
g-factor | |
Halveringstid | 16,8 ± 0,3 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1969 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 36% |
2n (2-neutron emission) | 0.73% |
3n (3-neutron emission) | 0.05% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 32 |
g-factor | |
Halveringstid | 12,9 ± 0,3 ms
|
Spinn | 3 |
nuclear quadrupole moment | |
upptäcktsdatum | 1972 |
Paritet | - |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 26% |
2n (2-neutron emission) | 7.6% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 33 |
g-factor | |
Halveringstid | 8,2 ± 0,4 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1972 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 47% |
2n (2-neutron emission) | 13% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 34 |
g-factor | |
Halveringstid | 5,5 ± 1 ms
|
Spinn | 1 |
nuclear quadrupole moment | |
upptäcktsdatum | 1983 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
2n (2-neutron emission) | 50% |
β− n (β−-delayed neutron emission) | 15% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 35 |
g-factor | |
Halveringstid | 1,5 ± 0,5 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1983 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | % |
2n (2-neutron emission) | % |
natural abundance | |
---|---|
relative atomic mass | |
masstal | 36 |
g-factor | |
Halveringstid | |
Spinn | |
nuclear quadrupole moment | |
upptäcktsdatum | |
Paritet |
decay mode | Intensitet |
---|---|
n (neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 37 |
g-factor | |
Halveringstid | |
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2002 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
β− n (β−-delayed neutron emission) | % |
2n (2-neutron emission) | % |
natural abundance | |
---|---|
relative atomic mass | |
masstal | 38 |
g-factor | |
Halveringstid | |
Spinn | |
nuclear quadrupole moment | |
upptäcktsdatum | |
Paritet |
decay mode | Intensitet |
---|---|
n (neutron emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 39 |
g-factor | |
Halveringstid | |
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2019 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
β− n (β−-delayed neutron emission) | % |
2n (2-neutron emission) | % |
upptäckare eller uppfinnare | Sir Humphrey Davy |
---|---|
fyndplats | England |
upptäcktsdatum | 1807 |
etymologi | Medieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate). |
uttal | SO-di-em (engelska) |
1 | s | 0.3741 |
2 | p | 4.1982 |
2 | s | 4.4286 |
3 | s | 8.4926 |