Natrium (Na)

chemical element with symbol Na and atomic number 11

Atomic Number	11
Atomic Weight	22.98976928
mass number	23

Group	1
Period	3
Block	s

proton	11 p⁺
neutron	12 n⁰
electron	11 e^-

Physical Property

Atomic Radius	180 pm 225 pm
molar volume	23,7 cm³/mol
Covalent Radius	155 pm 160 pm 177 pm 166 pm
Metallic Radius	157 pm 190 pm
ionic radius	99 pm 100 pm 102 pm 112 pm 118 pm 124 pm 139 pm
Crystal Radius	113 pm 114 pm 116 pm 126 pm 132 pm 138 pm 153 pm
Van der Waals radius	240 pm 227 pm 227 pm 270 pm 298,3 pm
density	0,97 g/cm³ 927 kg/m³

Chemical Property

{ERROR}

energy

proton affinity
electron affinity	0,547926 eV/particle
ionization energy	5,1390767 eV/particle 47,28636 eV/particle 71,62 eV/particle 98,936 eV/particle 138,4 eV/particle 172,228 eV/particle 208,5 eV/particle 264,192 eV/particle 299,86 eV/particle 1 465,13444 eV/particle 1 648,702 eV/particle

enthalpy of vaporization	97,9 kJ/mol
enthalpy of fusion	2,64 kJ/mol
standard enthalpy of formation	107,5 kJ/mol
electron

electron shell	2, 8, 1

valence electron	1 ⓘ

electron configuration	[Ne] 3s¹ⓘ 1s² 2s² 2p⁶ 3s¹

oxidation number	-1, 0, 1
electronegativity	5,14 eV/particle 0.093214 0.93
Electrophilicity Index	0,8805526605183994 eV/particle
fundamental state of matter

phase of matter
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
color	Black #0000ff #ab5cf2 #ab5cf2
appearance	silvery white metallic
refractive index
thermodynamic material property
Thermal Conductivity	142 W/(m K)
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
type	Conductor
electrical conductivity	21 MS/m
electrical resistivity	0,00000004699999999998 Ω*m
superconductivity
magnetism
type	paramagnetic
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 Structure	{ERROR}
lattice constant	4,23 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hardness	0,69 MPa 0,5 MPa
bulk modulus	6,3 GPa
shear modulus	3,3 GPa
Young's modulus	10 GPa
Poisson's ratio
speed of sound	3 200 m/s
classification
Category	Actinides, Alkali metals
CAS Group	IA
IUPAC Group	IA
Glawe Number	11
Mendeleev Number	2
Pettifor Number	11
Geochemical Class	major
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	162,7 ± 0,5 a₀
C6 Dispersion Coefficient	1 518 a₀ 1 570 a₀
allotrope
Neutron cross section	0,53
Neutron Mass Absorption	0,0007
quantum number	2S1/2
space group	229 (Im_3m)

Isotopes of Sodium

Stable Isotopes	1
Unstable Isotopes	22
Natural Isotopes	1

¹⁷Na

mass number	17
neutron number	6
Relative Atomic Mass	17,037273 ± 0,000064 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2017
parity	+

decay mode	intensity
p (proton emission)	100%

¹⁸Na

mass number	18
neutron number	7
Relative Atomic Mass	18,026879388 ± 0,000100785 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	1,3 ± 0,4 zs
spin	1
nuclear quadrupole moment
time of discovery or invention	2004
parity	-

decay mode	intensity
p (proton emission)

¹⁹Na

mass number	19
neutron number	8
Relative Atomic Mass	19,013880264 ± 0,000011309 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1969
parity	+

decay mode	intensity
p (proton emission)	100%

²⁰Na

mass number	20
neutron number	9
Relative Atomic Mass	20,007354301 ± 0,00000119 Da
g-factor	0,1847 ± 0,0001
natural abundance
radioactivity	☢️ radioactive element
half-life	447,9 ± 2,3 ms
spin	2
nuclear quadrupole moment	0,101 ± 0,008
time of discovery or invention	1950
parity	+

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

²¹Na

mass number	21
neutron number	10
Relative Atomic Mass	20,997654459 ± 0,000000045 Da
g-factor	1,5907333333333 ± 0,000026666666666667
natural abundance
radioactivity	☢️ radioactive element
half-life	22,455 ± 0,0054 s
spin	3/2
nuclear quadrupole moment	0,138 ± 0,011
time of discovery or invention	1940
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²²Na

mass number	22
neutron number	11
Relative Atomic Mass	21,994437547 ± 0,000000141 Da
g-factor	0,582 ± 0,001
natural abundance
radioactivity	☢️ radioactive element
half-life	2,6019 ± 0,0006 y
spin	3
nuclear quadrupole moment	0,18 ± 0,011
time of discovery or invention	1935
parity	+

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

²³Na

mass number	23
neutron number	12
Relative Atomic Mass	22,98976928195 ± 0,00000000194 Da
g-factor	1,4783333333333 ± 0,00002
natural abundance	100
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,104 ± 0,001
time of discovery or invention	1921
parity	+

²⁴Na

mass number	24
neutron number	13
Relative Atomic Mass	23,990963012 ± 0,000000017 Da
g-factor	0,422575 ± 0,0002
natural abundance
radioactivity	☢️ radioactive element
half-life	14,956 ± 0,0015 h
spin	4
nuclear quadrupole moment
time of discovery or invention	1934
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁵Na

mass number	25
neutron number	14
Relative Atomic Mass	24,989953974 ± 0,000001288 Da
g-factor	1,4732 ± 0,0016
natural abundance
radioactivity	☢️ radioactive element
half-life	59,1 ± 0,6 s
spin	5/2
nuclear quadrupole moment	0,0015 ± 0,0003
time of discovery or invention	1943
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁶Na

mass number	26
neutron number	15
Relative Atomic Mass	25,992634649 ± 0,000003759 Da
g-factor	0,95033333333333 ± 0,00066666666666667
natural abundance
radioactivity	☢️ radioactive element
half-life	1 071,28 ± 0,25 ms
spin	3
nuclear quadrupole moment	−0,0053 ± 0,0002
time of discovery or invention	1958
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁷Na

mass number	27
neutron number	16
Relative Atomic Mass	26,994076408 ± 0,000004 Da
g-factor	1,558 ± 0,002
natural abundance
radioactivity	☢️ radioactive element
half-life	301 ± 6 ms
spin	5/2
nuclear quadrupole moment	−0,0071 ± 0,0003
time of discovery or invention	1968
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.098%

²⁸Na

mass number	28
neutron number	17
Relative Atomic Mass	27,998939 ± 0,000011 Da
g-factor	2,426 ± 0,003
natural abundance
radioactivity	☢️ radioactive element
half-life	33,1 ± 1,3 ms
spin	1
nuclear quadrupole moment	0,389 ± 0,011
time of discovery or invention	1969
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.58%

²⁹Na

mass number	29
neutron number	18
Relative Atomic Mass	29,002877091 ± 0,000007876 Da
g-factor	1,6326666666667 ± 0,0053333333333333
natural abundance
radioactivity	☢️ radioactive element
half-life	43,2 ± 0,4 ms
spin	3/2
nuclear quadrupole moment	0,085 ± 0,003
time of discovery or invention	1969
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	22%
2n (2-neutron emission)

³⁰Na

mass number	30
neutron number	19
Relative Atomic Mass	30,009097931 ± 0,000005074 Da
g-factor	1,0415 ± 0,005
natural abundance
radioactivity	☢️ radioactive element
half-life	45,9 ± 0,7 ms
spin	2
nuclear quadrupole moment
time of discovery or invention	1969
parity	+

decay mode	intensity
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%

³¹Na

mass number	31
neutron number	20
Relative Atomic Mass	31,013146654 ± 0,000015 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	16,8 ± 0,3 ms
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1969
parity	+

decay mode	intensity
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 number	32
neutron number	21
Relative Atomic Mass	32,020011024 ± 0,00004 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	12,9 ± 0,3 ms
spin	3
nuclear quadrupole moment
time of discovery or invention	1972
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	26%
2n (2-neutron emission)	7.6%

³³Na

mass number	33
neutron number	22
Relative Atomic Mass	33,025529 ± 0,000483 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	8,2 ± 0,4 ms
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1972
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	47%
2n (2-neutron emission)	13%

³⁴Na

mass number	34
neutron number	23
Relative Atomic Mass	34,03401 ± 0,0006435 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	5,5 ± 1 ms
spin	1
nuclear quadrupole moment
time of discovery or invention	1983
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
2n (2-neutron emission)	50%
β⁻ n (β⁻-delayed neutron emission)	15%

³⁵Na

mass number	35
neutron number	24
Relative Atomic Mass	35,040614 ± 0,00072 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	1,5 ± 0,5 ms
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1983
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

³⁶Na

mass number	36
neutron number	25
Relative Atomic Mass	36,049279 ± 0,000737 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay mode	intensity
n (neutron emission)

³⁷Na

mass number	37
neutron number	26
Relative Atomic Mass	37,057042 ± 0,000737 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	3/2
nuclear quadrupole moment
time of discovery or invention	2002
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

³⁸Na

mass number	38
neutron number	27
Relative Atomic Mass	38,066458 ± 0,000768 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay mode	intensity
n (neutron emission)

³⁹Na

mass number	39
neutron number	28
Relative Atomic Mass	39,075123 ± 0,000797 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	3/2
nuclear quadrupole moment
time of discovery or invention	2019
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

history

discoverer or inventor	Sir Humphrey Davy
location of discovery	England
time of discovery or invention	1807
etymology	Medieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate).
pronunciation	SO-di-em (engelsk)

source

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

Nuclear Screening Constants

1	s	0.3741
2	p	4.1982
2	s	4.4286
3	s	8.4926

Natrium on ChemicalAid

Natrium (Na)

Physical Property

Chemical Property

other

Isotopes of Sodium

17Na

18Na

19Na

20Na

21Na

22Na

23Na

24Na

25Na

26Na

27Na

28Na

29Na

30Na

31Na

32Na

33Na

34Na

35Na

36Na

37Na

38Na

39Na

history

source

Nuclear Screening Constants

¹⁷Na

¹⁸Na

¹⁹Na

²⁰Na

²¹Na

²²Na

²³Na

²⁴Na

²⁵Na

²⁶Na

²⁷Na

²⁸Na

²⁹Na

³⁰Na

³¹Na

³²Na

³³Na

³⁴Na

³⁵Na

³⁶Na

³⁷Na

³⁸Na

³⁹Na