Nitrogen

Nitrogen (N)

chemical element, symbol N and atomic number 7; most abundant element in Earth atmosphere
Atomic Number7
Atomic Weight14.007
Rhif màs14
Group15
Period2
Blockp
Proton7 p+
Niwtron7 n0
Electron7 e-
Animated Bohr model of N (Nitrogen)

Nodwedd Ffisegol

Atomic Radius
65 pm
molar volume
covalent radius
71 pm
Metallic Radius
ionic radius
146 pm
Crystal Radius
132 pm
Van der Waals radius
155 pm
density
0.001145 g/cm³
Atomic Radii Of The Elements: Nitrogen0102030405060708090100110120130140150160pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Nodwedd Gemegol

egni
proton affinity
342.2 kJ/mol
electron affinity
ionization energy
14.53413 eV/particle
ionization energy of N (Nitrogen)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
472.44 kJ/mol
Electron
plisgyn yr electron2, 5
Bohr model: N (Nitrogen)
valence electron5
Lewis structure: N (Nitrogen)
trefn yr electronnau[He] 2s2 2p3
1s2 2s2 2p3
Enhanced Bohr model of N (Nitrogen)
Orbital Diagram of N (Nitrogen)
Cyflwr ocsidiad-3, -2, -1, 0, 1, 2, 3, 4, 5
Electronegatifedd
3.04
Electrophilicity Index
1.353269450990578 eV/particle
cyflwr sylfaenol mater
cyflwr materGas
gaseous state of matterDiatomic
Boiling Point
77.355 K
Melting Point
63.15 K
critical pressure
3.3958 MPa
critical temperature
126.192 K
triple point
63.151 K
12.52 kPa
appearance
lliw
Colorless
appearancecolorless gas, liquid or solid
Mynegrif plygiant
1.000298
nodwedd ffisegol gwrthrych
Thermal Conductivity
0.026 W/(m K)
thermal expansion
molar heat capacity
29.124 J/(mol K)
Specific Heat Capacity
heat capacity ratio7/5
electrical properties
type
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
typediamagnetic
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
strwythur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
4.039 Å
Lattice Anglesπ/2, π/2, 2 π/3
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
333.6 m/s
classification
CategoryOther nonmetals, Nonmetals
CAS GroupVB
IUPAC GroupVA
Glawe Number88
Mendeleev Number93
Pettifor Number100
Geochemical Classvolatile
Goldschmidt classificationatmophile

other

Gas Basicity
318.7 kJ/mol
polarizability
7.4 ± 0.2 a₀
C6 Dispersion Coefficient
24.2 a₀
allotropeDinitrogen
Neutron cross section
1.91
Neutron Mass Absorption
0.0048
quantum number4S3/2
space group194 (P63/mmc)

Isotopes of Nitrogen

Stable Isotopes2
Unstable Isotopes14
Natural Isotopes2
Isotopic Composition1499.62%1499.62%150.38%150.38%

10N

Rhif màs10
neutron number3
relative atomic mass
10.04165354 ± 0.000429417 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
143 ± 36 ys
spin1
nuclear quadrupole moment
dyddiad darganfod2002
parity-

decay modeintensity
p (proton emission)

11N

Rhif màs11
neutron number4
relative atomic mass
11.026157593 ± 0.000005368 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
585 ± 7 ys
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1974
parity+

decay modeintensity
p (proton emission)100%

12N

Rhif màs12
neutron number5
relative atomic mass
12.01861318 ± 0.000001073 Da
g-factor
0.4571 ± 0.0001
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
11 ± 0.016 ms
spin1
nuclear quadrupole moment
0.01 ± 0.0009
dyddiad darganfod1949
parity+

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

13N

Rhif màs13
neutron number6
relative atomic mass
13.005738609 ± 0.000000289 Da
g-factor
0.6438 ± 0.0008
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
9.965 ± 0.004 m
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1934
parity-

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

14N

Rhif màs14
neutron number7
relative atomic mass
14.00307400425 ± 0.00000000024 Da
g-factor
0.403573 ± 0.000002
natural abundance
99.6205 ± 0.0247
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin1
nuclear quadrupole moment
dyddiad darganfod1920
parity+

15N

Rhif màs15
neutron number8
relative atomic mass
15.00010889827 ± 0.00000000062 Da
g-factor
-0.5661138 ± 0.0000028
natural abundance
0.3795 ± 0.0247
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1929
parity-

16N

Rhif màs16
neutron number9
relative atomic mass
16.006101925 ± 0.00000247 Da
g-factor
0.9928 ± 0.00055
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
7.13 ± 0.02 s
spin2
nuclear quadrupole moment
-0.018 ± 0.002
dyddiad darganfod1933
parity-

decay modeintensity
β (β decay)100%
βα (β-delayed α emission)0.00154%

17N

Rhif màs17
neutron number10
relative atomic mass
17.008448876 ± 0.000016103 Da
g-factor
0.7104 ± 0.0008
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.173 ± 0.004 s
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1949
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)95.1%
βα (β-delayed α emission)0.0025%

18N

Rhif màs18
neutron number11
relative atomic mass
18.014077563 ± 0.000019935 Da
g-factor
0.3274 ± 0.0004
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
619.2 ± 1.9 ms
spin1
nuclear quadrupole moment
0.0123 ± 0.0012
dyddiad darganfod1964
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)7%
βα (β-delayed α emission)12.2%
2n (2-neutron emission)

19N

Rhif màs19
neutron number12
relative atomic mass
19.017022389 ± 0.00001761 Da
g-factor
0.61 ± 0.03
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
336 ± 3 ms
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1968
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)41.8%

20N

Rhif màs20
neutron number13
relative atomic mass
20.023367295 ± 0.000084696 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
136 ± 3 ms
spin2
nuclear quadrupole moment
dyddiad darganfod1969
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)42.9%
2n (2-neutron emission)

21N

Rhif màs21
neutron number14
relative atomic mass
21.027087573 ± 0.000143906 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
85 ± 5 ms
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1970
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)87%
2n (2-neutron emission)

22N

Rhif màs22
neutron number15
relative atomic mass
22.034100918 ± 0.00022306 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
23 ± 3 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1979
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)34%
2n (2-neutron emission)12%

23N

Rhif màs23
neutron number16
relative atomic mass
23.039421 ± 0.0004515 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
13.9 ± 1.4 ms
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1985
parity-

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

24N

Rhif màs24
neutron number17
relative atomic mass
24.05039 ± 0.00043 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay modeintensity
n (neutron emission)

25N

Rhif màs25
neutron number18
relative atomic mass
25.0601 ± 0.00054 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod
parity-

decay modeintensity
n (neutron emission)
2n (2-neutron emission)
β (β decay)
Fluessiger Stickstoff

hanes

darganfyddwr neu ddyfeisiwrDaniel Rutherford
man darganfodScotland
dyddiad darganfod1772
geirdarddiadGreek: nitron and genes, (soda forming).
ynganiadNYE-treh-gen (Saesneg)

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
0.5 mg/L
natural abundance (corff dynol)
2.6 %
natural abundance (Awyrfaen)
0.14 %
natural abundance (Haul)
0.1 %
Abundance in Universe
0.1 %

Nuclear Screening Constants

1s0.3349
2p3.166
2s3.1526