Nitrogen, Kvælstof (N)

grundstof med atomnummer 7

Atomnummer	7
Atommasse	14.007
mass number	14

Gruppe	15
Periode	2
Blok	p

proton	7 p⁺
neutron	7 n⁰
elektron	7 e^-

Animated Bohrs atommodel of N (Nitrogen, Kvælstof)

Fysisk Egenskab

Atomradius	65 pm 179 pm
molar volume	17,3 cm³/mol
Kovalent Radius	71 pm 60 pm 54 pm 65 pm 71 pm
Metallic Radius	53 pm
Ionisk radius	146 pm 16 pm -10,4 pm 13 pm
Crystal Radius	132 pm 30 pm 4,4 pm 27 pm
Van der Waals-radius	160 pm 155 pm 366,21 pm 155 pm 193 pm 164 pm 366 pm
massefylde	0,001145 g/cm³

Kemisk Egenskab

energi

proton affinity	342,2 kJ/mol
electron affinity	-1,4 eV/particle
ioniseringsenergi	14,53413 eV/particle 29,60125 eV/particle 47,4453 eV/particle 77,4735 eV/particle 97,89013 eV/particle 552,06731 eV/particle 667,04609 eV/particle

Fordampningsvarme
smeltevarme
standard enthalpy of formation	472,44 kJ/mol
elektron

Elektronskal	2, 5

Valenselektron	5 ⓘ

electron configuration	[He] 2s² 2p³ⓘ 1s² 2s² 2p³

Oxidationstrin	-3, -2, -1, 0, 1, 2, 3, 4, 5
Elektronegativitet	18,13 eV/particle 0.26493 3.04
Electrophilicity Index	1,353269450990578 eV/particle
fundamental state of matter

stoffase	Gas
gaseous state of matter	Diatomic
Kogepunkt	77,355 K
Smeltepunkt	63,15 K
critical pressure	3,3958 MPa
critical temperature	126,192 K
trippelpunkt	63,151 K 12,52 kPa
appearance
farve	Colorless #8f8fff #3050f8 #3753bb
appearance	colorless gas, liquid or solid
Brydningsindeks	1,000298
materialeegenskab
Varmeledningsevne	0,026 W/(m K)
Termisk ekspansion
molar heat capacity	29,124 J/(mol K)
Varmefylde	1,04 J/(g⋅K)
Adiabateksponenten	7/5
electrical properties
type
specifik ledningsevne
Elektrisk resistivitet
superledning
Magnetisme
type	diamagnetic
magnetic susceptibility (Mass)	-0,0000000054 m³/Kg
magnetic susceptibility (Molar)	-0,00000000015 m³/mol
magnetic susceptibility (Volume)	-0,0000000068
magnetic ordering
Curietemperaturen
Néel temperature
struktur
Krystalstruktur	Simpel Hexagonal (HEX)
lattice constant	4,039 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hårdhed
Kompressibilitetsmodul
Forskydningsmodul
E-modul
Poissons forhold
speed of sound	333,6 m/s
klassificering
Kategori	Andre ikke-metaller, Nonmetals
CAS Group	VB
IUPAC Group	VA
Glawe Number	88
Mendeleev Number	93
Pettifor Number	100
Geochemical Class	volatile
Goldschmidt classification	atmophile

øvrige

Gas Basicity	318,7 kJ/mol
polarizability	7,4 ± 0,2 a₀
C6 Dispersion Coefficient	24,2 a₀ 25,7 a₀
allotrope	Dinitrogen
Neutron cross section	1,91
Neutron Mass Absorption	0,0048
quantum number	4S3/2
rumgruppe	194 (P63/mmc)

Isotopes of Nitrogen

Stable Isotopes	2
Unstable Isotopes	14
Natural Isotopes	2

¹⁰N

mass number	10
neutron number	3
Relative Atomic Mass	10,04165354 ± 0,000429417 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	143 ± 36 ys
spin	1
nuclear quadrupole moment
opdagelsesdato	2002
Paritet	-

decay mode	Intensitet
p (proton emission)

¹¹N

mass number	11
neutron number	4
Relative Atomic Mass	11,026157593 ± 0,000005368 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	585 ± 7 ys
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1974
Paritet	+

decay mode	Intensitet
p (proton emission)	100%

¹²N

mass number	12
neutron number	5
Relative Atomic Mass	12,01861318 ± 0,000001073 Da
g-factor	0,4571 ± 0,0001
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	11 ± 0,016 ms
spin	1
nuclear quadrupole moment	0,01 ± 0,0009
opdagelsesdato	1949
Paritet	+

decay mode	Intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺α (β⁺-delayed α emission)	1.93%

¹³N

mass number	13
neutron number	6
Relative Atomic Mass	13,005738609 ± 0,000000289 Da
g-factor	0,6438 ± 0,0008
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	9,965 ± 0,004 m
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1934
Paritet	-

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

¹⁴N

mass number	14
neutron number	7
Relative Atomic Mass	14,00307400425 ± 0,00000000024 Da
g-factor	0,403573 ± 0,000002
natural abundance	99,6205 ± 0,0247
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	1
nuclear quadrupole moment
opdagelsesdato	1920
Paritet	+

¹⁵N

mass number	15
neutron number	8
Relative Atomic Mass	15,00010889827 ± 0,00000000062 Da
g-factor	-0,5661138 ± 0,0000028
natural abundance	0,3795 ± 0,0247
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1929
Paritet	-

¹⁶N

mass number	16
neutron number	9
Relative Atomic Mass	16,006101925 ± 0,00000247 Da
g-factor	0,9928 ± 0,00055
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	7,13 ± 0,02 s
spin	2
nuclear quadrupole moment	-0,018 ± 0,002
opdagelsesdato	1933
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻α (β⁻-delayed α emission)	0.00154%

¹⁷N

mass number	17
neutron number	10
Relative Atomic Mass	17,008448876 ± 0,000016103 Da
g-factor	0,7104 ± 0,0008
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	4,173 ± 0,004 s
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1949
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	95.1%
β⁻α (β⁻-delayed α emission)	0.0025%

¹⁸N

mass number	18
neutron number	11
Relative Atomic Mass	18,014077563 ± 0,000019935 Da
g-factor	0,3274 ± 0,0004
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	619,2 ± 1,9 ms
spin	1
nuclear quadrupole moment	0,0123 ± 0,0012
opdagelsesdato	1964
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	7%
β⁻α (β⁻-delayed α emission)	12.2%
2n (2-neutron emission)

¹⁹N

mass number	19
neutron number	12
Relative Atomic Mass	19,017022389 ± 0,00001761 Da
g-factor	0,61 ± 0,03
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	336 ± 3 ms
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1968
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	41.8%

²⁰N

mass number	20
neutron number	13
Relative Atomic Mass	20,023367295 ± 0,000084696 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	136 ± 3 ms
spin	2
nuclear quadrupole moment
opdagelsesdato	1969
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	42.9%
2n (2-neutron emission)

²¹N

mass number	21
neutron number	14
Relative Atomic Mass	21,027087573 ± 0,000143906 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	85 ± 5 ms
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1970
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	87%
2n (2-neutron emission)

²²N

mass number	22
neutron number	15
Relative Atomic Mass	22,034100918 ± 0,00022306 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	23 ± 3 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1979
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	34%
2n (2-neutron emission)	12%

²³N

mass number	23
neutron number	16
Relative Atomic Mass	23,039421 ± 0,0004515 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	13,9 ± 1,4 ms
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1985
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	42%
2n (2-neutron emission)	8%
3n (3-neutron emission)	3.4%

²⁴N

mass number	24
neutron number	17
Relative Atomic Mass	24,05039 ± 0,00043 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
n (neutron emission)

²⁵N

mass number	25
neutron number	18
Relative Atomic Mass	25,0601 ± 0,00054 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato
Paritet	-

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

historie

opdager eller opfinder	Daniel Rutherford
fundsted	Scotland
opdagelsesdato	1772
etymologi	Greek: nitron and genes, (soda forming).
udtale	NYE-treh-gen (engelsk)

source

Forekomst
Abundance in Earth's crust	19 mg/kg
natural abundance (verdenshave)	0,5 mg/L
natural abundance (menneskelige krop)	2,6 %
natural abundance (Meteoroid)	0,14 %
natural abundance (Solen)	0,1 %
Abundance in Universe	0,1 %

Nuclear Screening Constants

1	s	0.3349
2	p	3.166
2	s	3.1526

Nitrogen, Kvælstof on ChemicalAid

ATC-kode	V03AN04
AUT NKC	ph119645
Art & Architecture Thesaurus ID	300266339
Australian Educational Vocabulary ID	scot/3550
BNCF	14013
BNE-identifikator	XX525774
BNF	11975683p
Brockhaus Enzyklopädie online ID	stickstoff
CAS-nummer	17778-88-0
ChEBI-ID	25555
ChemSpider ID	20473555
Common Procurement Vocabulary	24111700
E-nummer	E941
Enciclopedia Treccani	azoto
Encyclopædia Britannica Online-ID	science/nitrogen
Encyclopædia Universalis-ID	azote
English Vikidia ID	Nitrogen
EuroVoc ID	4545
Freebase-ID	/m/025s4ld
French Vikidia ID	Azote
GND-identifikator	4125639-6
Italian Vikidia ID	Azoto
KBpedia ID	Nitrogen
Klexikon article ID	Stickstoff
Krugosvet article	nauka_i_tehnika/himiya/AZOT.html
LCAuth	sh85092062
Latvian National Encyclopedia Online ID	118915
MeSH ID	D009584
NALT ID	53079
NDF-RT ID	N0000147408
NDL-nummer	00573098
NE.se ID	kväve
Namuwiki ID	질소
National Library of Israel J9U ID	987007531393105171
OmegaWiki-betydningsdefinition	2514
Online PWN Encyclopedia ID	3872890
OpenAlex ID	C2991782629
OpenAlex ID	C537208039
OpenAlex ID	C2992556255
OpenAlex ID	C2993420144
Open Food Facts-tilsætningsstof	e941-nitrogen
PSH-ID	5801
Quora emne-ID	Nitrogen
RxNorm ID	7456
Römpp online ID	RD-19-04099
Store katalanske encyklopædi-ID	0235236
Store medisinske leksikon ID	nitrogen
Store norske leksikon-ID	nitrogen
Store russiske encyklopædi Online-ID	1804950
UK Archival Thesaurus ID	f2/mt225/4347/4039
UK Parliament thesaurus ID	11951
UNESCO-tesaurus identifikationskode	concept3491
USGS Thesaurus ID	1522
WikiSkripta ID	57193
WordNet 3.1 Synset ID	14671413-n
YSO ID	10988

Nitrogen, Kvælstof (N)

Fysisk Egenskab

Kemisk Egenskab

øvrige

Isotopes of Nitrogen

10N

11N

12N

13N

14N

15N

16N

17N

18N

19N

20N

21N

22N

23N

24N

25N

historie

source

Nuclear Screening Constants

¹⁰N

¹¹N

¹²N

¹³N

¹⁴N

¹⁵N

¹⁶N

¹⁷N

¹⁸N

¹⁹N

²⁰N

²¹N

²²N

²³N

²⁴N

²⁵N