Slāpeklis (N)

ķīmiskais elements

Atomic Number	7
Atomic Weight	14.007
Masas skaitlis	14

Group	15
Period	2
Block	p

protons	7 p⁺
neitrons	7 n⁰
elektrons	7 e^-

Animated Bora atoma struktūras modelis of N (Slāpeklis)

Fizikāla Īpašība

Atoma Rādiuss	65 pm 179 pm
molar volume	17,3 cm³/mol
Covalent Radius	71 pm 60 pm 54 pm 65 pm 71 pm
Metallic Radius	53 pm
ionic 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
blīvums	0,001145 g/cm³

Chemical Property

enerģija

proton affinity	342,2 kJ/mol
Elektrontieksme	-1,4 eV/particle
jonizācijas potenciāls	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

enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation	472,44 kJ/mol
elektrons

electron shell	2, 5

vērtības elektrons	5 ⓘ

elektronu konfigurācija	[He] 2s² 2p³ⓘ 1s² 2s² 2p³

Oksidēšanas pakāpe	-3, -2, -1, 0, 1, 2, 3, 4, 5
elektronegativitāte	18,13 eV/particle 0.26493 3.04
Electrophilicity Index	1,353269450990578 eV/particle
fundamentālais agregātstāvoklis

agregātstāvoklis	Gas
gaseous state of matter	Diatomic
Boiling Point	77,355 K
Melting Point	63,15 K
critical pressure	3,3958 MPa
critical temperature	126,192 K
trīskāršais punkts	63,151 K 12,52 kPa
appearance
krāsa	Colorless #8f8fff #3050f8 #3753bb
appearance	colorless gas, liquid or solid
Laušanas koeficients	1,000298
thermodynamic material property
Thermal Conductivity	0,026 W/(m K)
Termiskā izplešanās
Molārā siltumietilpība	29,124 J/(mol K)
Specific Heat Capacity	1,04 J/(g⋅K)
heat capacity ratio	7/5
electrical properties
type
electrical conductivity
īpatnējā pretestība
Supravadītspēja
Magnētisms
type	diamagnetic
magnetic susceptibility (Mass)	-0,0000000054 m³/Kg
magnetic susceptibility (Molar)	-0,00000000015 m³/mol
magnetic susceptibility (Volume)	-0,0000000068
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal Structure	Simple Hexagonal (HEX)
lattice constant	4,039 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
Cietība
tilpuma elastības modulis
shear modulus
Junga modulis
Poisson's ratio
skaņas ātrums	333,6 m/s
klasifikācija
Category	Other nonmetals, Nonmetals
CAS Group	VB
IUPAC Group	VA
Glawe Number	88
Mendeleev Number	93
Pettifor Number	100
Geochemical Class	volatile
Goldschmidt classification	atmophile

other

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
space group	194 (P63/mmc)

Isotopes of Nitrogen

Stable Isotopes	2
Unstable Isotopes	14
Natural Isotopes	2

¹⁰N

Masas skaitlis	10
neutron number	3
Relative Atomic Mass	10,04165354 ± 0,000429417 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	143 ± 36 ys
spins	1
nuclear quadrupole moment
atklāšanas datums	2002
parity	-

decay mode	intensity
p (proton emission)

¹¹N

Masas skaitlis	11
neutron number	4
Relative Atomic Mass	11,026157593 ± 0,000005368 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	585 ± 7 ys
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1974
parity	+

decay mode	intensity
p (proton emission)	100%

¹²N

Masas skaitlis	12
neutron number	5
Relative Atomic Mass	12,01861318 ± 0,000001073 Da
g-factor	0,4571 ± 0,0001
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	11 ± 0,016 ms
spins	1
nuclear quadrupole moment	0,01 ± 0,0009
atklāšanas datums	1949
parity	+

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

¹³N

Masas skaitlis	13
neutron number	6
Relative Atomic Mass	13,005738609 ± 0,000000289 Da
g-factor	0,6438 ± 0,0008
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	9,965 ± 0,004 m
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1934
parity	-

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

¹⁴N

Masas skaitlis	14
neutron number	7
Relative Atomic Mass	14,00307400425 ± 0,00000000024 Da
g-factor	0,403573 ± 0,000002
natural abundance	99,6205 ± 0,0247
radioaktivitāte	stable isotope
Pussabrukšanas periods	Not Radioactive ☢️
spins	1
nuclear quadrupole moment
atklāšanas datums	1920
parity	+

¹⁵N

Masas skaitlis	15
neutron number	8
Relative Atomic Mass	15,00010889827 ± 0,00000000062 Da
g-factor	-0,5661138 ± 0,0000028
natural abundance	0,3795 ± 0,0247
radioaktivitāte	stable isotope
Pussabrukšanas periods	Not Radioactive ☢️
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1929
parity	-

¹⁶N

Masas skaitlis	16
neutron number	9
Relative Atomic Mass	16,006101925 ± 0,00000247 Da
g-factor	0,9928 ± 0,00055
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	7,13 ± 0,02 s
spins	2
nuclear quadrupole moment	-0,018 ± 0,002
atklāšanas datums	1933
parity	-

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

¹⁷N

Masas skaitlis	17
neutron number	10
Relative Atomic Mass	17,008448876 ± 0,000016103 Da
g-factor	0,7104 ± 0,0008
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	4,173 ± 0,004 s
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1949
parity	-

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

¹⁸N

Masas skaitlis	18
neutron number	11
Relative Atomic Mass	18,014077563 ± 0,000019935 Da
g-factor	0,3274 ± 0,0004
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	619,2 ± 1,9 ms
spins	1
nuclear quadrupole moment	0,0123 ± 0,0012
atklāšanas datums	1964
parity	-

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

¹⁹N

Masas skaitlis	19
neutron number	12
Relative Atomic Mass	19,017022389 ± 0,00001761 Da
g-factor	0,61 ± 0,03
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	336 ± 3 ms
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1968
parity	-

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

²⁰N

Masas skaitlis	20
neutron number	13
Relative Atomic Mass	20,023367295 ± 0,000084696 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	136 ± 3 ms
spins	2
nuclear quadrupole moment
atklāšanas datums	1969
parity	-

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

²¹N

Masas skaitlis	21
neutron number	14
Relative Atomic Mass	21,027087573 ± 0,000143906 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	85 ± 5 ms
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1970
parity	-

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

²²N

Masas skaitlis	22
neutron number	15
Relative Atomic Mass	22,034100918 ± 0,00022306 Da
g-factor	0
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	23 ± 3 ms
spins	0
nuclear quadrupole moment	0
atklāšanas datums	1979
parity	-

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

²³N

Masas skaitlis	23
neutron number	16
Relative Atomic Mass	23,039421 ± 0,0004515 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods	13,9 ± 1,4 ms
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums	1985
parity	-

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

²⁴N

Masas skaitlis	24
neutron number	17
Relative Atomic Mass	24,05039 ± 0,00043 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins
nuclear quadrupole moment
atklāšanas datums
parity

decay mode	intensity
n (neutron emission)

²⁵N

Masas skaitlis	25
neutron number	18
Relative Atomic Mass	25,0601 ± 0,00054 Da
g-factor
natural abundance
radioaktivitāte	☢️ radioactive element
Pussabrukšanas periods
spins	1/2
nuclear quadrupole moment	0
atklāšanas datums
parity	-

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

vēsture

atklājējs vai izgudrotājs	Daniel Rutherford
atraduma atrašanās vieta	Scotland
atklāšanas datums	1772
Etimoloģija	Greek: nitron and genes, (soda forming).
izruna	NYE-treh-gen (angļu)

avots

Abundance
Abundance in Earth's crust	19 mg/kg
natural abundance (okeāns)	0,5 mg/L
natural abundance (cilvēka ķermenis)	2,6 %
natural abundance (meteoroīds)	0,14 %
natural abundance (Saule)	0,1 %
Abundance in Universe	0,1 %

Nuclear Screening Constants

1	s	0.3349
2	p	3.166
2	s	3.1526

Slāpeklis on ChemicalAid

Slāpeklis (N)

Fizikāla Īpašība

Chemical Property

other

Isotopes of Nitrogen

10N

11N

12N

13N

14N

15N

16N

17N

18N

19N

20N

21N

22N

23N

24N

25N

vēsture

avots

Nuclear Screening Constants

¹⁰N

¹¹N

¹²N

¹³N

¹⁴N

¹⁵N

¹⁶N

¹⁷N

¹⁸N

¹⁹N

²⁰N

²¹N

²²N

²³N

²⁴N

²⁵N