Natrium

Natrium (Na)

chemical element with symbol Na and atomic number 11
Atomic Number11
Atomic Weight22.98976928
Massagetal23
Group1
Period3
Blocks
proton11 p+
neutron12 n0
elektron11 e-
Animated Bohr model of Na (Natrium)

Physical Property

Atoomradius
180 pm
molar volume
Covalent Radius
155 pm
Metallic Radius
157 pm
Ioonradius
99 pm
Crystal Radius
113 pm
Van der Waals radius
227 pm
density
0,97 g/cm³
Atomic Radii Of The Elements: Natrium0153045607590105120135150165180195210225240pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
electron affinity
0,547926 eV/particle
ionization energy
5,1390767 eV/particle
ionization energy of Na (Natrium)
Verdampingswarmte
97,9 kJ/mol
smeltingswarmte
2,64 kJ/mol
Vormingsentalpie
107,5 kJ/mol
elektron
Elektronskil2, 8, 1
Bohr model: Na (Natrium)
Valenselektrone1
Lewisteorie: Na (Natrium)
elektronkonfigurasie[Ne] 3s1
1s2 2s2 2p6 3s1
Enhanced Bohr model of Na (Natrium)
Orbital Diagram of Na (Natrium)
Oksidasietoestand-1, 0, 1
Elektronegatiwiteit
0.93
Electrophilicity Index
0,8805526605183994 eV/particle
fundamental state of matter
phase of matterSolid
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
appearance
kleur
Silver
appearancesilvery white metallic
Brekingsindeks
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
Geleidingsvermoë
21 MS/m
Elektriese resistiwiteit
0,00000004699999999998 m Ω
superconductivity
Magnetisme
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
structure
Crystal StructureBody Centered Cubic (BCC)
lattice constant
4,23 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
0,5 MPa
Massamodulus
6,3 GPa
Skuifmodulus
3,3 GPa
Young se modulus
10 GPa
Poisson se verhouding
Spoed van klank
3 200 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
1 518 a₀
allotrope
Neutron cross section
0,53
Neutron Mass Absorption
0,0007
quantum number2S1/2
Ruimtegroep229 (Im_3m)

Isotopes of Sodium

Stable Isotopes1
Unstable Isotopes22
Natural Isotopes1

17Na

Massagetal17
neutron number6
relative atomic mass
17,037273 ± 0,000064 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum2017
parity+

decay modeintensity
p (proton emission)100%

18Na

Massagetal18
neutron number7
relative atomic mass
18,026879388 ± 0,000100785 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,3 ± 0,4 zs
spin1
nuclear quadrupole moment
ontdekkingsdatum2004
parity-

decay modeintensity
p (proton emission)

19Na

Massagetal19
neutron number8
relative atomic mass
19,013880264 ± 0,000011309 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1969
parity+

decay modeintensity
p (proton emission)100%

20Na

Massagetal20
neutron number9
relative atomic mass
20,007354301 ± 0,00000119 Da
g-factor
0,1847 ± 0,0001
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
447,9 ± 2,3 ms
spin2
nuclear quadrupole moment
0,101 ± 0,008
ontdekkingsdatum1950
parity+

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

21Na

Massagetal21
neutron number10
relative atomic mass
20,997654459 ± 0,000000045 Da
g-factor
1,5907333333333 ± 0,000026666666666667
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
22,455 ± 0,0054 s
spin3/2
nuclear quadrupole moment
0,138 ± 0,011
ontdekkingsdatum1940
parity+

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

22Na

Massagetal22
neutron number11
relative atomic mass
21,994437547 ± 0,000000141 Da
g-factor
0,582 ± 0,001
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,6019 ± 0,0006 y
spin3
nuclear quadrupole moment
0,18 ± 0,011
ontdekkingsdatum1935
parity+

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

23Na

Massagetal23
neutron number12
relative atomic mass
22,98976928195 ± 0,00000000194 Da
g-factor
1,4783333333333 ± 0,00002
natural abundance
100
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,104 ± 0,001
ontdekkingsdatum1921
parity+

24Na

Massagetal24
neutron number13
relative atomic mass
23,990963012 ± 0,000000017 Da
g-factor
0,422575 ± 0,0002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
14,956 ± 0,0015 h
spin4
nuclear quadrupole moment
ontdekkingsdatum1934
parity+

decay modeintensity
β (β decay)100%

25Na

Massagetal25
neutron number14
relative atomic mass
24,989953974 ± 0,000001288 Da
g-factor
1,4732 ± 0,0016
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
59,1 ± 0,6 s
spin5/2
nuclear quadrupole moment
0,0015 ± 0,0003
ontdekkingsdatum1943
parity+

decay modeintensity
β (β decay)100%

26Na

Massagetal26
neutron number15
relative atomic mass
25,992634649 ± 0,000003759 Da
g-factor
0,95033333333333 ± 0,00066666666666667
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1 071,28 ± 0,25 ms
spin3
nuclear quadrupole moment
-0,0053 ± 0,0002
ontdekkingsdatum1958
parity+

decay modeintensity
β (β decay)100%

27Na

Massagetal27
neutron number16
relative atomic mass
26,994076408 ± 0,000004 Da
g-factor
1,558 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
301 ± 6 ms
spin5/2
nuclear quadrupole moment
-0,0071 ± 0,0003
ontdekkingsdatum1968
parity+

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

28Na

Massagetal28
neutron number17
relative atomic mass
27,998939 ± 0,000011 Da
g-factor
2,426 ± 0,003
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
33,1 ± 1,3 ms
spin1
nuclear quadrupole moment
0,389 ± 0,011
ontdekkingsdatum1969
parity+

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

29Na

Massagetal29
neutron number18
relative atomic mass
29,002877091 ± 0,000007876 Da
g-factor
1,6326666666667 ± 0,0053333333333333
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
43,2 ± 0,4 ms
spin3/2
nuclear quadrupole moment
0,085 ± 0,003
ontdekkingsdatum1969
parity+

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

30Na

Massagetal30
neutron number19
relative atomic mass
30,009097931 ± 0,000005074 Da
g-factor
1,0415 ± 0,005
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
45,9 ± 0,7 ms
spin2
nuclear quadrupole moment
ontdekkingsdatum1969
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

Massagetal31
neutron number20
relative atomic mass
31,013146654 ± 0,000015 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
16,8 ± 0,3 ms
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1969
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

Massagetal32
neutron number21
relative atomic mass
32,020011024 ± 0,00004 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
12,9 ± 0,3 ms
spin3
nuclear quadrupole moment
ontdekkingsdatum1972
parity-

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

33Na

Massagetal33
neutron number22
relative atomic mass
33,025529 ± 0,000483 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
8,2 ± 0,4 ms
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1972
parity+

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

34Na

Massagetal34
neutron number23
relative atomic mass
34,03401 ± 0,0006435 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,5 ± 1 ms
spin1
nuclear quadrupole moment
ontdekkingsdatum1983
parity+

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

35Na

Massagetal35
neutron number24
relative atomic mass
35,040614 ± 0,00072 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,5 ± 0,5 ms
spin3/2
nuclear quadrupole moment
ontdekkingsdatum1983
parity+

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

36Na

Massagetal36
neutron number25
relative atomic mass
36,049279 ± 0,000737 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
n (neutron emission)

37Na

Massagetal37
neutron number26
relative atomic mass
37,057042 ± 0,000737 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin3/2
nuclear quadrupole moment
ontdekkingsdatum2002
parity+

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

38Na

Massagetal38
neutron number27
relative atomic mass
38,066458 ± 0,000768 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
n (neutron emission)

39Na

Massagetal39
neutron number28
relative atomic mass
39,075123 ± 0,000797 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin3/2
nuclear quadrupole moment
ontdekkingsdatum2019
parity+

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

geskiedenis

Ontdek deurSir Humphrey Davy
ligging van ontdekkingEngland
ontdekkingsdatum1807
etimologieMedieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate).
uitspraakSO-di-em (Engels)

source

Abundance
Abundance in Earth's crust
23 600 mg/kg
natural abundance (oseaan)
10 800 mg/L
natural abundance (human body)
0,14 %
natural abundance (Meteoroïde)
0,55 %
natural abundance (Son)
0,004 %
Abundance in Universe
0,002 %

Nuclear Screening Constants

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