Natrium (Na)

grundstof med atomnummer 11

Atomnummer	11
Atommasse	22.98976928
mass number	23

Gruppe	1
Periode	3
Blok	s

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

Animated Bohrs atommodel of Na (Natrium)

Fysisk Egenskab

Atomradius	180 pm 225 pm
molar volume	23,7 cm³/mol
Kovalent Radius	155 pm 160 pm 177 pm 166 pm
Metallic Radius	157 pm 190 pm
Ionisk 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
massefylde	0,97 g/cm³ 927 kg/m³

Kemisk Egenskab

energi

proton affinity
electron affinity	0,547926 eV/particle
ioniseringsenergi	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

Fordampningsvarme	97,9 kJ/mol
smeltevarme	2,64 kJ/mol
standard enthalpy of formation	107,5 kJ/mol
elektron

Elektronskal	2, 8, 1

Valenselektron	1 ⓘ

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

Oxidationstrin	-1, 0, 1
Elektronegativitet	5,14 eV/particle 0.093214 0.93
Electrophilicity Index	0,8805526605183994 eV/particle
fundamental state of matter

stoffase	Fast stof
gaseous state of matter
Kogepunkt	1.156,09 K
Smeltepunkt	370,944 K
critical pressure	35 MPa
critical temperature	2.573,15 K
trippelpunkt
appearance
farve	Silver #0000ff #ab5cf2 #ab5cf2
appearance	silvery white metallic
Brydningsindeks
materialeegenskab
Varmeledningsevne	142 W/(m K)
Termisk ekspansion	0,00007 1/K
molar heat capacity	28,23 J/(mol K)
Varmefylde	1,228 J/(g⋅K)
Adiabateksponenten
electrical properties
type	Conductor
specifik ledningsevne	21 MS/m
Elektrisk resistivitet	0,00000004699999999998 Ω*m
superledning
Magnetisme
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000088 m³/Kg
magnetic susceptibility (Molar)	0,0000000002 m³/mol
magnetic susceptibility (Volume)	0,0000086
magnetic ordering
Curietemperaturen
Néel temperature
struktur
Krystalstruktur	Rumcentreret Kubisk (BCC)
lattice constant	4,23 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hårdhed	0,69 MPa 0,5 MPa
Kompressibilitetsmodul	6,3 GPa
Forskydningsmodul	3,3 GPa
E-modul	10 GPa
Poissons forhold
speed of sound	3.200 m/s
klassificering
Kategori	Alkalimetaller, Alkali metals
CAS Group	IA
IUPAC Group	IA
Glawe Number	11
Mendeleev Number	2
Pettifor Number	11
Geochemical Class	major
Goldschmidt classification	litophile

øvrige

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
rumgruppe	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
radioaktivitet	☢️ radioactive element
halveringstid
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	2017
Paritet	+

decay mode	Intensitet
p (proton emission)	100%

¹⁸Na

mass number	18
neutron number	7
Relative Atomic Mass	18,026879388 ± 0,000100785 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1,3 ± 0,4 zs
spin	1
nuclear quadrupole moment
opdagelsesdato	2004
Paritet	-

decay mode	Intensitet
p (proton emission)

¹⁹Na

mass number	19
neutron number	8
Relative Atomic Mass	19,013880264 ± 0,000011309 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	5/2
nuclear quadrupole moment
opdagelsesdato	1969
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	447,9 ± 2,3 ms
spin	2
nuclear quadrupole moment	0,101 ± 0,008
opdagelsesdato	1950
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	22,455 ± 0,0054 s
spin	3/2
nuclear quadrupole moment	0,138 ± 0,011
opdagelsesdato	1940
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	2,6019 ± 0,0006 y
spin	3
nuclear quadrupole moment	0,18 ± 0,011
opdagelsesdato	1935
Paritet	+

decay mode	Intensitet
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
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,104 ± 0,001
opdagelsesdato	1921
Paritet	+

²⁴Na

mass number	24
neutron number	13
Relative Atomic Mass	23,990963012 ± 0,000000017 Da
g-factor	0,422575 ± 0,0002
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	14,956 ± 0,0015 h
spin	4
nuclear quadrupole moment
opdagelsesdato	1934
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	59,1 ± 0,6 s
spin	5/2
nuclear quadrupole moment	0,0015 ± 0,0003
opdagelsesdato	1943
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	1.071,28 ± 0,25 ms
spin	3
nuclear quadrupole moment	-0,0053 ± 0,0002
opdagelsesdato	1958
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	301 ± 6 ms
spin	5/2
nuclear quadrupole moment	-0,0071 ± 0,0003
opdagelsesdato	1968
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	33,1 ± 1,3 ms
spin	1
nuclear quadrupole moment	0,389 ± 0,011
opdagelsesdato	1969
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	43,2 ± 0,4 ms
spin	3/2
nuclear quadrupole moment	0,085 ± 0,003
opdagelsesdato	1969
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	45,9 ± 0,7 ms
spin	2
nuclear quadrupole moment
opdagelsesdato	1969
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	16,8 ± 0,3 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1969
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	12,9 ± 0,3 ms
spin	3
nuclear quadrupole moment
opdagelsesdato	1972
Paritet	-

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	8,2 ± 0,4 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1972
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	5,5 ± 1 ms
spin	1
nuclear quadrupole moment
opdagelsesdato	1983
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid	1,5 ± 0,5 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1983
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
n (neutron emission)

³⁷Na

mass number	37
neutron number	26
Relative Atomic Mass	37,057042 ± 0,000737 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	3/2
nuclear quadrupole moment
opdagelsesdato	2002
Paritet	+

decay mode	Intensitet
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
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
n (neutron emission)

³⁹Na

mass number	39
neutron number	28
Relative Atomic Mass	39,075123 ± 0,000797 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	3/2
nuclear quadrupole moment
opdagelsesdato	2019
Paritet	+

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

historie

opdager eller opfinder	Sir Humphrey Davy
fundsted	England
opdagelsesdato	1807
etymologi	Medieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate).
udtale	SO-di-em (engelsk)

source

Forekomst
Abundance in Earth's crust	23.600 mg/kg
natural abundance (verdenshave)	10.800 mg/L
natural abundance (menneskelige krop)	0,14 %
natural abundance (Meteoroid)	0,55 %
natural abundance (Solen)	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

AUT NKC	ph323347
Art & Architecture Thesaurus ID	300265406
Australian Educational Vocabulary ID	scot/3577
BNCF	21391
BNF	11980515x
Brockhaus Enzyklopädie online ID	natrium
CAS-nummer	7440-23-5
ChEBI-ID	26708
DSSTOX compound identifier	DTXCID00876449
DSSTox substance ID	DTXSID1049774
DeCS ID	13349
Den Store Danske-ID	natrium
ECHA Substance Infocard ID	100.028.302
Enciclopedia Treccani	sodio
Encyclopædia Britannica Online-ID	science/sodium
Encyclopædia Universalis-ID	sodium
English Vikidia ID	Sodium
EuroVoc ID	5288
Freebase-ID	/m/025sf0_
French Vikidia ID	Sodium
GND-identifikator	4171239-0
Golden ID	Sodium-R9VEW
Great Encyclopedia of Navarre ID	19007
HSDB-ID	687
ICSC ID	0717
InChI	InChI=1S/Na
InChIKey	KEAYESYHFKHZAL-UHFFFAOYSA-N
Italian Vikidia ID	Sodio
KBpedia ID	Sodium
Krugosvet article	nauka_i_tehnika/himiya/NATRI.html
LCAuth	sh85124249
LEM ID	LEM201008474
Latvian National Encyclopedia Online ID	95048
MeSH ID	D012964
NALT ID	6407
NDF-RT ID	N0000146496
NDL-nummer	00568053
NE.se ID	natrium
Namuwiki ID	나트륨
National Library of Israel J9U ID	987007553566405171
OmegaWiki-betydningsdefinition	7248
OpenAlex ID	C537181965
PSH-ID	5745
PubChem CID	5360545
Quora emne-ID	Sodium
RxNorm ID	9853
Römpp online ID	RD-14-00332
Spanish Vikidia ID	Sodio
Store katalanske encyklopædi-ID	0143129
Store medisinske leksikon ID	natrium
Store medisinske leksikon ID	natrium_-_fysiologi
Store norske leksikon-ID	natrium
Store russiske encyklopædi Online-ID	2251215
UNESCO-tesaurus identifikationskode	concept14023
UNII	9NEZ333N27
USGS Thesaurus ID	1579
WikiSkripta ID	1267
WordNet 3.1 Synset ID	14679550-n
YSO ID	8414
ZVG-nummer	8080

Natrium (Na)

Fysisk Egenskab

Kemisk Egenskab

øvrige

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

historie

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