Natrium

Natrium (Na)

chemical element with symbol Na and atomic number 11
Atomic Number11
Atomic Weight22.98976928
Nombor jisim23
Group1
Period3
Blocks
proton11 p+
neutron12 n0
Elektron11 e-
Animated Model Bohr of Na (Natrium)

Sifat Fizikal

Jejari Atom
180 pm
molar volume
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
Atomic Radii Of The Elements: Natrium0102030405060708090100110120130140150160170180190200210220230pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
0.547926 eV/particle
ionization energy
5.1390767 eV/particle
ionization energy of Na (Natrium)
Entalpi pengewapan
97.9 kJ/mol
entalpi pelakuran
2.64 kJ/mol
standard enthalpy of formation
107.5 kJ/mol
Elektron
Petala elektron2, 8, 1
Model Bohr: Na (Natrium)
Elektron valens1
Teori ion Lewis: Na (Natrium)
tatarajah elektron[Ne] 3s1
1s2 2s2 2p6 3s1
Enhanced Model Bohr of Na (Natrium)
Orbital Diagram of Na (Natrium)
Keadaan pengoksidaan-1, 0, 1
Keelektronegatifan
0.93
Electrophilicity Index
0.8805526605183994 eV/particle
keadaan jirim asas
fasa jirimSolid
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
rupasilvery white metallic
indeks biasan
sifat bahan
Thermal Conductivity
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
typeConductor
Kekonduksian elektrik
21 MS/m
Kerintangan dan kekonduksian elektrik
0.00000004699999999998 m Ω
Kesuperkonduksian
kemagnetan
typeparamagnetic
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 StructureBody Centered Cubic (BCC)
lattice constant
4.23 Å
Lattice Anglesπ/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
CategoryAlkali metals, Alkali metals
CAS GroupIA
IUPAC GroupIA
Glawe Number11
Mendeleev Number2
Pettifor Number11
Geochemical Classmajor
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
162.7 ± 0.5 a₀
C6 Dispersion Coefficient
1,518 a₀
allotrope
Neutron cross section
0.53
Neutron Mass Absorption
0.0007
Nombor kuantum2S1/2
space group229 (Im_3m)

Isotopes of Sodium

Stable Isotopes1
Unstable Isotopes22
Natural Isotopes1

17Na

Nombor jisim17
nombor neutron6
jisim atom relatif
17.037273 ± 0.000064 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan2017
parity+

decay modeKeamatan (fizik)
p (proton emission)100%

18Na

Nombor jisim18
nombor neutron7
jisim atom relatif
18.026879388 ± 0.000100785 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.3 ± 0.4 zs
Spin1
nuclear quadrupole moment
tarikh penemuan2004
parity-

decay modeKeamatan (fizik)
p (proton emission)

19Na

Nombor jisim19
nombor neutron8
jisim atom relatif
19.013880264 ± 0.000011309 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin5/2
nuclear quadrupole moment
tarikh penemuan1969
parity+

decay modeKeamatan (fizik)
p (proton emission)100%

20Na

Nombor jisim20
nombor neutron9
jisim atom relatif
20.007354301 ± 0.00000119 Da
g-factor
0.1847 ± 0.0001
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
447.9 ± 2.3 ms
Spin2
nuclear quadrupole moment
0.101 ± 0.008
tarikh penemuan1950
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%
β+α (β+-delayed α emission)25%

21Na

Nombor jisim21
nombor neutron10
jisim atom relatif
20.997654459 ± 0.000000045 Da
g-factor
1.5907333333333 ± 0.000026666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
22.455 ± 0.0054 s
Spin3/2
nuclear quadrupole moment
0.138 ± 0.011
tarikh penemuan1940
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

22Na

Nombor jisim22
nombor neutron11
jisim atom relatif
21.994437547 ± 0.000000141 Da
g-factor
0.582 ± 0.001
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.6019 ± 0.0006 y
Spin3
nuclear quadrupole moment
0.18 ± 0.011
tarikh penemuan1935
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)90.57%
ϵ (electron capture)9.43%

23Na

Nombor jisim23
nombor neutron12
jisim atom relatif
22.98976928195 ± 0.00000000194 Da
g-factor
1.4783333333333 ± 0.00002
natural abundance
100
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin3/2
nuclear quadrupole moment
0.104 ± 0.001
tarikh penemuan1921
parity+

24Na

Nombor jisim24
nombor neutron13
jisim atom relatif
23.990963012 ± 0.000000017 Da
g-factor
0.422575 ± 0.0002
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
14.956 ± 0.0015 h
Spin4
nuclear quadrupole moment
tarikh penemuan1934
parity+

decay modeKeamatan (fizik)
β (β decay)100%

25Na

Nombor jisim25
nombor neutron14
jisim atom relatif
24.989953974 ± 0.000001288 Da
g-factor
1.4732 ± 0.0016
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
59.1 ± 0.6 s
Spin5/2
nuclear quadrupole moment
0.0015 ± 0.0003
tarikh penemuan1943
parity+

decay modeKeamatan (fizik)
β (β decay)100%

26Na

Nombor jisim26
nombor neutron15
jisim atom relatif
25.992634649 ± 0.000003759 Da
g-factor
0.95033333333333 ± 0.00066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1,071.28 ± 0.25 ms
Spin3
nuclear quadrupole moment
-0.0053 ± 0.0002
tarikh penemuan1958
parity+

decay modeKeamatan (fizik)
β (β decay)100%

27Na

Nombor jisim27
nombor neutron16
jisim atom relatif
26.994076408 ± 0.000004 Da
g-factor
1.558 ± 0.002
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
301 ± 6 ms
Spin5/2
nuclear quadrupole moment
-0.0071 ± 0.0003
tarikh penemuan1968
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)0.098%

28Na

Nombor jisim28
nombor neutron17
jisim atom relatif
27.998939 ± 0.000011 Da
g-factor
2.426 ± 0.003
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
33.1 ± 1.3 ms
Spin1
nuclear quadrupole moment
0.389 ± 0.011
tarikh penemuan1969
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)0.58%

29Na

Nombor jisim29
nombor neutron18
jisim atom relatif
29.002877091 ± 0.000007876 Da
g-factor
1.6326666666667 ± 0.0053333333333333
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
43.2 ± 0.4 ms
Spin3/2
nuclear quadrupole moment
0.085 ± 0.003
tarikh penemuan1969
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)22%
2n (2-neutron emission)

30Na

Nombor jisim30
nombor neutron19
jisim atom relatif
30.009097931 ± 0.000005074 Da
g-factor
1.0415 ± 0.005
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
45.9 ± 0.7 ms
Spin2
nuclear quadrupole moment
tarikh penemuan1969
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)28.6%
2n (2-neutron emission)1.24%
βα (β-delayed α emission)5.5%

31Na

Nombor jisim31
nombor neutron20
jisim atom relatif
31.013146654 ± 0.000015 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
16.8 ± 0.3 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1969
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)36%
2n (2-neutron emission)0.73%
3n (3-neutron emission)0.05%

32Na

Nombor jisim32
nombor neutron21
jisim atom relatif
32.020011024 ± 0.00004 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
12.9 ± 0.3 ms
Spin3
nuclear quadrupole moment
tarikh penemuan1972
parity-

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)26%
2n (2-neutron emission)7.6%

33Na

Nombor jisim33
nombor neutron22
jisim atom relatif
33.025529 ± 0.000483 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
8.2 ± 0.4 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1972
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)47%
2n (2-neutron emission)13%

34Na

Nombor jisim34
nombor neutron23
jisim atom relatif
34.03401 ± 0.0006435 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.5 ± 1 ms
Spin1
nuclear quadrupole moment
tarikh penemuan1983
parity+

decay modeKeamatan (fizik)
β (β decay)100%
2n (2-neutron emission)50%
β n (β-delayed neutron emission)15%

35Na

Nombor jisim35
nombor neutron24
jisim atom relatif
35.040614 ± 0.00072 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.5 ± 0.5 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1983
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

36Na

Nombor jisim36
nombor neutron25
jisim atom relatif
36.049279 ± 0.000737 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan
parity

decay modeKeamatan (fizik)
n (neutron emission)

37Na

Nombor jisim37
nombor neutron26
jisim atom relatif
37.057042 ± 0.000737 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3/2
nuclear quadrupole moment
tarikh penemuan2002
parity+

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

38Na

Nombor jisim38
nombor neutron27
jisim atom relatif
38.066458 ± 0.000768 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan
parity

decay modeKeamatan (fizik)
n (neutron emission)

39Na

Nombor jisim39
nombor neutron28
jisim atom relatif
39.075123 ± 0.000797 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3/2
nuclear quadrupole moment
tarikh penemuan2019
parity+

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Sodium Atom

sejarah

penemu atau perekaSir Humphrey Davy
tempat penemuanEngland
tarikh penemuan1807
EtimologiMedieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate).
sebutanSO-di-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
23,600 mg/kg
natural abundance (lautan)
10,800 mg/L
natural abundance (Tubuh manusia)
0.14 %
natural abundance (Meteoroid)
0.55 %
natural abundance (Matahari)
0.004 %
Abundance in Universe
0.002 %

Nuclear Screening Constants

1s0.3741
2p4.1982
2s4.4286
3s8.4926