Atomic Number | 11 |
---|---|
Atomic Weight | 22.98976928 |
Nombor jisim | 23 |
Group | 1 |
---|---|
Period | 3 |
Block | s |
proton | 11 p+ |
---|---|
neutron | 12 n0 |
Elektron | 11 e- |
Jejari Atom | 180 pm
|
---|---|
molar volume | 23.7 cm³/mol
|
Jejari kovalen | 155 pm
|
Metallic Radius | 157 pm
|
ionic radius | 99 pm
|
Crystal Radius | 113 pm
|
Jejari van der Waals | 227 pm
|
ketumpatan | 0.97 g/cm³
|
tenaga | |
---|---|
proton affinity | |
Pertalian elektron | 0.547926 eV/particle
|
ionization energy | 5.1390767 eV/particle
|
Entalpi pengewapan | 97.9 kJ/mol
|
entalpi pelakuran | 2.64 kJ/mol
|
standard enthalpy of formation | 107.5 kJ/mol
|
Elektron | |
Petala elektron | 2, 8, 1 |
Elektron valens | 1 ⓘ |
tatarajah elektron | [Ne] 3s1ⓘ 1s2 2s2 2p6 3s1 |
Keadaan pengoksidaan | -1, 0, 1 |
Keelektronegatifan | 0.93
|
Electrophilicity Index | 0.8805526605183994 eV/particle
|
keadaan jirim asas | |
fasa jirim | Solid |
gaseous state of matter | |
Boiling Point | 1,156.09 K
|
Melting Point | 370.944 K
|
critical pressure | 35 MPa
|
critical temperature | 2,573.15 K
|
triple point | |
rupa | |
warna | Silver
|
rupa | silvery white metallic |
indeks biasan | |
sifat bahan | |
Thermal Conductivity | 142 W/(m K)
|
Pengembangan terma | 0.00007 1/K
|
molar heat capacity | 28.23 J/(mol K)
|
Specific Heat Capacity | 1.228 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
type | Conductor |
Kekonduksian elektrik | 21 MS/m
|
Kerintangan dan kekonduksian elektrik | 0.00000004699999999998 m Ω
|
Kesuperkonduksian | |
kemagnetan | |
type | paramagnetic |
magnetic susceptibility (Mass) | 0.0000000088 m³/Kg
|
magnetic susceptibility (Molar) | 0.0000000002 m³/mol
|
magnetic susceptibility (Volume) | 0.0000086
|
magnetic ordering | |
Suhu Curie | |
Néel temperature | |
struktur | |
Crystal Structure | Body Centered Cubic (BCC) |
lattice constant | 4.23 Å
|
Lattice Angles | π/2, π/2, π/2 |
mechanical property | |
hardness | 0.5 MPa
|
Modulus pukal | 6.3 GPa
|
shear modulus | 3.3 GPa
|
Young's modulus | 10 GPa
|
Nisbah Poisson | |
Kelajuan bunyi | 3,200 m/s
|
pengelasan | |
Category | Alkali metals, Alkali metals |
CAS Group | IA |
IUPAC Group | IA |
Glawe Number | 11 |
Mendeleev Number | 2 |
Pettifor Number | 11 |
Geochemical Class | major |
Goldschmidt classification | litophile |
Stable Isotopes | 1 |
---|---|
Unstable Isotopes | 22 |
Natural Isotopes | 1 |
Nombor jisim | 17 |
---|---|
nombor neutron | 6 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | |
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tarikh penemuan | 2017 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
p (proton emission) | 100% |
Nombor jisim | 18 |
---|---|
nombor neutron | 7 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 1.3 ± 0.4 zs
|
Spin | 1 |
nuclear quadrupole moment | |
tarikh penemuan | 2004 |
parity | - |
decay mode | Keamatan (fizik) |
---|---|
p (proton emission) |
Nombor jisim | 19 |
---|---|
nombor neutron | 8 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | |
Spin | 5/2 |
nuclear quadrupole moment | |
tarikh penemuan | 1969 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
p (proton emission) | 100% |
Nombor jisim | 20 |
---|---|
nombor neutron | 9 |
jisim atom relatif | |
g-factor | 0.1847 ± 0.0001
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 447.9 ± 2.3 ms
|
Spin | 2 |
nuclear quadrupole moment | 0.101 ± 0.008
|
tarikh penemuan | 1950 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+α (β+-delayed α emission) | 25% |
Nombor jisim | 21 |
---|---|
nombor neutron | 10 |
jisim atom relatif | |
g-factor | 1.5907333333333 ± 0.000026666666666667
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 22.455 ± 0.0054 s
|
Spin | 3/2 |
nuclear quadrupole moment | 0.138 ± 0.011
|
tarikh penemuan | 1940 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nombor jisim | 22 |
---|---|
nombor neutron | 11 |
jisim atom relatif | |
g-factor | 0.582 ± 0.001
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 2.6019 ± 0.0006 y
|
Spin | 3 |
nuclear quadrupole moment | 0.18 ± 0.011
|
tarikh penemuan | 1935 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
e+ (positron emission) | 90.57% |
ϵ (electron capture) | 9.43% |
Nombor jisim | 23 |
---|---|
nombor neutron | 12 |
jisim atom relatif | |
g-factor | 1.4783333333333 ± 0.00002
|
natural abundance | 100
|
Reputan radioaktif | Isotop stabil |
setengah hayat | Not Radioactive ☢️ |
Spin | 3/2 |
nuclear quadrupole moment | 0.104 ± 0.001
|
tarikh penemuan | 1921 |
parity | + |
Nombor jisim | 24 |
---|---|
nombor neutron | 13 |
jisim atom relatif | |
g-factor | 0.422575 ± 0.0002
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 14.956 ± 0.0015 h
|
Spin | 4 |
nuclear quadrupole moment | |
tarikh penemuan | 1934 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
Nombor jisim | 25 |
---|---|
nombor neutron | 14 |
jisim atom relatif | |
g-factor | 1.4732 ± 0.0016
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 59.1 ± 0.6 s
|
Spin | 5/2 |
nuclear quadrupole moment | 0.0015 ± 0.0003
|
tarikh penemuan | 1943 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
Nombor jisim | 26 |
---|---|
nombor neutron | 15 |
jisim atom relatif | |
g-factor | 0.95033333333333 ± 0.00066666666666667
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 1,071.28 ± 0.25 ms
|
Spin | 3 |
nuclear quadrupole moment | -0.0053 ± 0.0002
|
tarikh penemuan | 1958 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
Nombor jisim | 27 |
---|---|
nombor neutron | 16 |
jisim atom relatif | |
g-factor | 1.558 ± 0.002
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 301 ± 6 ms
|
Spin | 5/2 |
nuclear quadrupole moment | -0.0071 ± 0.0003
|
tarikh penemuan | 1968 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.098% |
Nombor jisim | 28 |
---|---|
nombor neutron | 17 |
jisim atom relatif | |
g-factor | 2.426 ± 0.003
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 33.1 ± 1.3 ms
|
Spin | 1 |
nuclear quadrupole moment | 0.389 ± 0.011
|
tarikh penemuan | 1969 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.58% |
Nombor jisim | 29 |
---|---|
nombor neutron | 18 |
jisim atom relatif | |
g-factor | 1.6326666666667 ± 0.0053333333333333
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 43.2 ± 0.4 ms
|
Spin | 3/2 |
nuclear quadrupole moment | 0.085 ± 0.003
|
tarikh penemuan | 1969 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 22% |
2n (2-neutron emission) |
Nombor jisim | 30 |
---|---|
nombor neutron | 19 |
jisim atom relatif | |
g-factor | 1.0415 ± 0.005
|
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 45.9 ± 0.7 ms
|
Spin | 2 |
nuclear quadrupole moment | |
tarikh penemuan | 1969 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
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% |
Nombor jisim | 31 |
---|---|
nombor neutron | 20 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 16.8 ± 0.3 ms
|
Spin | 3/2 |
nuclear quadrupole moment | |
tarikh penemuan | 1969 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 36% |
2n (2-neutron emission) | 0.73% |
3n (3-neutron emission) | 0.05% |
Nombor jisim | 32 |
---|---|
nombor neutron | 21 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 12.9 ± 0.3 ms
|
Spin | 3 |
nuclear quadrupole moment | |
tarikh penemuan | 1972 |
parity | - |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 26% |
2n (2-neutron emission) | 7.6% |
Nombor jisim | 33 |
---|---|
nombor neutron | 22 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 8.2 ± 0.4 ms
|
Spin | 3/2 |
nuclear quadrupole moment | |
tarikh penemuan | 1972 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 47% |
2n (2-neutron emission) | 13% |
Nombor jisim | 34 |
---|---|
nombor neutron | 23 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 5.5 ± 1 ms
|
Spin | 1 |
nuclear quadrupole moment | |
tarikh penemuan | 1983 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
2n (2-neutron emission) | 50% |
β− n (β−-delayed neutron emission) | 15% |
Nombor jisim | 35 |
---|---|
nombor neutron | 24 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | 1.5 ± 0.5 ms
|
Spin | 3/2 |
nuclear quadrupole moment | |
tarikh penemuan | 1983 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nombor jisim | 36 |
---|---|
nombor neutron | 25 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | |
Spin | |
nuclear quadrupole moment | |
tarikh penemuan | |
parity |
decay mode | Keamatan (fizik) |
---|---|
n (neutron emission) |
Nombor jisim | 37 |
---|---|
nombor neutron | 26 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | |
Spin | 3/2 |
nuclear quadrupole moment | |
tarikh penemuan | 2002 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nombor jisim | 38 |
---|---|
nombor neutron | 27 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | |
Spin | |
nuclear quadrupole moment | |
tarikh penemuan | |
parity |
decay mode | Keamatan (fizik) |
---|---|
n (neutron emission) |
Nombor jisim | 39 |
---|---|
nombor neutron | 28 |
jisim atom relatif | |
g-factor | |
natural abundance | |
Reputan radioaktif | ☢️ radioactive element |
setengah hayat | |
Spin | 3/2 |
nuclear quadrupole moment | |
tarikh penemuan | 2019 |
parity | + |
decay mode | Keamatan (fizik) |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
penemu atau pereka | Sir Humphrey Davy |
---|---|
tempat penemuan | England |
tarikh penemuan | 1807 |
Etimologi | Medieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate). |
sebutan | SO-di-em (Inggeris) |
1 | s | 0.3741 |
2 | p | 4.1982 |
2 | s | 4.4286 |
3 | s | 8.4926 |