Sòdi

Sòdi (Na)

chemical element with symbol Na and atomic number 11
Atomic Number11
Atomic Weight22.98976928
mass number23
Group1
Period3
Blocks
proton11 p+
neutron12 n0
electron11 e-
Animated Bohr model of Na (Sòdi)

Proprietat Fisica

Rai Atomic
180 pm
molar volume
covalent radius
155 pm
Metallic Radius
157 pm
ionic radius
99 pm
Crystal Radius
113 pm
Rai de van der Waals
227 pm
densitat
0.97 g/cm³
Atomic Radii Of The Elements: Sòdi0102030405060708090100110120130140150160170180190200210220230pmRai AtomicCovalent RadiusMetallic RadiusRai de van der Waals

Chemical Property

energia
proton affinity
electron affinity
0.547926 eV/particle
ionization energy
5.1390767 eV/particle
ionization energy of Na (Sòdi)
enthalpy of vaporization
97.9 kJ/mol
enthalpy of fusion
2.64 kJ/mol
standard enthalpy of formation
107.5 kJ/mol
electron
electron shell2, 8, 1
Bohr model: Na (Sòdi)
valence electron1
Lewis structure: Na (Sòdi)
electron configuration[Ne] 3s1
1s2 2s2 2p6 3s1
Enhanced Bohr model of Na (Sòdi)
Orbital Diagram of Na (Sòdi)
oxidation number-1, 0, 1
Electronegativitat
0.93
Electrophilicity Index
0.8805526605183994 eV/particle
fundamental state of matter
estat de la matèriaSolid
gaseous state of matter
Boiling Point
1156.09 K
Melting Point
370.944 K
critical pressure
35 MPa
critical temperature
2573.15 K
Ponch triple
appearance
Color
Silver
appearancesilvery white metallic
Indici de refraccion
thermodynamic material property
Thermal Conductivity
thermal expansion
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
electrical conductivity
21 MS/m
electrical resistivity
0.00000004699999999998 m Ω
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0.0000000088 m³/Kg
magnetic susceptibility (Molar)
0.0000000002 m³/mol
magnetic susceptibility (Volume)
0.0000086
magnetic ordering
Curie temperature
Néel temperature
estructura
Crystal StructureBody Centered Cubic (BCC)
lattice constant
4.23 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Duretat
0.5 MPa
bulk modulus
6.3 GPa
shear modulus
3.3 GPa
Young's modulus
10 GPa
Poisson's ratio
speed of sound
3200 m/s
classification
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
1518 a₀
allotrope
Neutron cross section
0.53
Neutron Mass Absorption
0.0007
quantum number2S1/2
space group229 (Im_3m)

Isotopes of Sodium

Stable Isotopes1
Unstable Isotopes22
Natural Isotopes1

17Na

mass number17
neutron number6
relative atomic mass
17.037273 ± 0.000064 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin1/2
nuclear quadrupole moment
0
data de descobèrta2017
parity+

decay modeintensity
p (proton emission)100%

18Na

mass number18
neutron number7
relative atomic mass
18.026879388 ± 0.000100785 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
1.3 ± 0.4 zs
Espin1
nuclear quadrupole moment
data de descobèrta2004
parity-

decay modeintensity
p (proton emission)

19Na

mass number19
neutron number8
relative atomic mass
19.013880264 ± 0.000011309 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin5/2
nuclear quadrupole moment
data de descobèrta1969
parity+

decay modeintensity
p (proton emission)100%

20Na

mass number20
neutron number9
relative atomic mass
20.007354301 ± 0.00000119 Da
g-factor
0.1847 ± 0.0001
natural abundance
Radioactivitat☢️ radioactive element
Semivida
447.9 ± 2.3 ms
Espin2
nuclear quadrupole moment
0.101 ± 0.008
data de descobèrta1950
parity+

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

21Na

mass number21
neutron number10
relative atomic mass
20.997654459 ± 0.000000045 Da
g-factor
1.5907333333333 ± 0.000026666666666667
natural abundance
Radioactivitat☢️ radioactive element
Semivida
22.455 ± 0.0054 s
Espin3/2
nuclear quadrupole moment
0.138 ± 0.011
data de descobèrta1940
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

22Na

mass number22
neutron number11
relative atomic mass
21.994437547 ± 0.000000141 Da
g-factor
0.582 ± 0.001
natural abundance
Radioactivitat☢️ radioactive element
Semivida
2.6019 ± 0.0006 y
Espin3
nuclear quadrupole moment
0.18 ± 0.011
data de descobèrta1935
parity+

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

23Na

mass number23
neutron number12
relative atomic mass
22.98976928195 ± 0.00000000194 Da
g-factor
1.4783333333333 ± 0.00002
natural abundance
100
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin3/2
nuclear quadrupole moment
0.104 ± 0.001
data de descobèrta1921
parity+

24Na

mass number24
neutron number13
relative atomic mass
23.990963012 ± 0.000000017 Da
g-factor
0.422575 ± 0.0002
natural abundance
Radioactivitat☢️ radioactive element
Semivida
14.956 ± 0.0015 h
Espin4
nuclear quadrupole moment
data de descobèrta1934
parity+

decay modeintensity
β (β decay)100%

25Na

mass number25
neutron number14
relative atomic mass
24.989953974 ± 0.000001288 Da
g-factor
1.4732 ± 0.0016
natural abundance
Radioactivitat☢️ radioactive element
Semivida
59.1 ± 0.6 s
Espin5/2
nuclear quadrupole moment
0.0015 ± 0.0003
data de descobèrta1943
parity+

decay modeintensity
β (β decay)100%

26Na

mass number26
neutron number15
relative atomic mass
25.992634649 ± 0.000003759 Da
g-factor
0.95033333333333 ± 0.00066666666666667
natural abundance
Radioactivitat☢️ radioactive element
Semivida
1071.28 ± 0.25 ms
Espin3
nuclear quadrupole moment
-0.0053 ± 0.0002
data de descobèrta1958
parity+

decay modeintensity
β (β decay)100%

27Na

mass number27
neutron number16
relative atomic mass
26.994076408 ± 0.000004 Da
g-factor
1.558 ± 0.002
natural abundance
Radioactivitat☢️ radioactive element
Semivida
301 ± 6 ms
Espin5/2
nuclear quadrupole moment
-0.0071 ± 0.0003
data de descobèrta1968
parity+

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

28Na

mass number28
neutron number17
relative atomic mass
27.998939 ± 0.000011 Da
g-factor
2.426 ± 0.003
natural abundance
Radioactivitat☢️ radioactive element
Semivida
33.1 ± 1.3 ms
Espin1
nuclear quadrupole moment
0.389 ± 0.011
data de descobèrta1969
parity+

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

29Na

mass number29
neutron number18
relative atomic mass
29.002877091 ± 0.000007876 Da
g-factor
1.6326666666667 ± 0.0053333333333333
natural abundance
Radioactivitat☢️ radioactive element
Semivida
43.2 ± 0.4 ms
Espin3/2
nuclear quadrupole moment
0.085 ± 0.003
data de descobèrta1969
parity+

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

30Na

mass number30
neutron number19
relative atomic mass
30.009097931 ± 0.000005074 Da
g-factor
1.0415 ± 0.005
natural abundance
Radioactivitat☢️ radioactive element
Semivida
45.9 ± 0.7 ms
Espin2
nuclear quadrupole moment
data de descobèrta1969
parity+

decay modeintensity
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

mass number31
neutron number20
relative atomic mass
31.013146654 ± 0.000015 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
16.8 ± 0.3 ms
Espin3/2
nuclear quadrupole moment
data de descobèrta1969
parity+

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

32Na

mass number32
neutron number21
relative atomic mass
32.020011024 ± 0.00004 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
12.9 ± 0.3 ms
Espin3
nuclear quadrupole moment
data de descobèrta1972
parity-

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

33Na

mass number33
neutron number22
relative atomic mass
33.025529 ± 0.000483 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
8.2 ± 0.4 ms
Espin3/2
nuclear quadrupole moment
data de descobèrta1972
parity+

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

34Na

mass number34
neutron number23
relative atomic mass
34.03401 ± 0.0006435 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
5.5 ± 1 ms
Espin1
nuclear quadrupole moment
data de descobèrta1983
parity+

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

35Na

mass number35
neutron number24
relative atomic mass
35.040614 ± 0.00072 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
1.5 ± 0.5 ms
Espin3/2
nuclear quadrupole moment
data de descobèrta1983
parity+

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

36Na

mass number36
neutron number25
relative atomic mass
36.049279 ± 0.000737 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin
nuclear quadrupole moment
data de descobèrta
parity

decay modeintensity
n (neutron emission)

37Na

mass number37
neutron number26
relative atomic mass
37.057042 ± 0.000737 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin3/2
nuclear quadrupole moment
data de descobèrta2002
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

38Na

mass number38
neutron number27
relative atomic mass
38.066458 ± 0.000768 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin
nuclear quadrupole moment
data de descobèrta
parity

decay modeintensity
n (neutron emission)

39Na

mass number39
neutron number28
relative atomic mass
39.075123 ± 0.000797 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin3/2
nuclear quadrupole moment
data de descobèrta2019
parity+

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

istòria

descobridor o inventaireSir Humphrey Davy
luòc de descobèrtaEngland
data de descobèrta1807
EtimologiaMedieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate).
pronunciationSO-di-em (English)

source

Abundance
Abundance in Earth's crust
23600 mg/kg
natural abundance (Ocean)
10800 mg/L
natural abundance (còs uman)
0.14 %
natural abundance (meteoroid)
0.55 %
natural abundance (Solelh)
0.004 %
Abundance in Universe
0.002 %

Nuclear Screening Constants

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