Azòt

Azòt (N)

chemical element, symbol N and atomic number 7; most abundant element in Earth atmosphere
Atomic Number7
Atomic Weight14.007
mass number14
Group15
Period2
Blockp
proton7 p+
neutron7 n0
electron7 e-
Animated Bohr model of N (Azòt)

Proprietat Fisica

Rai Atomic
65 pm
molar volume
covalent radius
71 pm
Metallic Radius
ionic radius
146 pm
Crystal Radius
132 pm
Rai de van der Waals
155 pm
densitat
0.001145 g/cm³
Atomic Radii Of The Elements: Azòt0102030405060708090100110120130140150160pmRai AtomicCovalent RadiusMetallic RadiusRai de van der Waals

Chemical Property

energia
proton affinity
342.2 kJ/mol
electron affinity
ionization energy
14.53413 eV/particle
ionization energy of N (Azòt)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
472.44 kJ/mol
electron
electron shell2, 5
Bohr model: N (Azòt)
valence electron5
Lewis structure: N (Azòt)
electron configuration[He] 2s2 2p3
1s2 2s2 2p3
Enhanced Bohr model of N (Azòt)
Orbital Diagram of N (Azòt)
oxidation number-3, -2, -1, 0, 1, 2, 3, 4, 5
Electronegativitat
3.04
Electrophilicity Index
1.353269450990578 eV/particle
fundamental state of matter
estat de la matèriaGas
gaseous state of matterDiatomic
Boiling Point
77.355 K
Melting Point
63.15 K
critical pressure
3.3958 MPa
critical temperature
126.192 K
Ponch triple
63.151 K
12.52 kPa
appearance
Color
Colorless
appearancecolorless gas, liquid or solid
Indici de refraccion
1.000298
thermodynamic material property
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
electrical conductivity
electrical resistivity
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
estructura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
4.039 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Duretat
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

mass number10
neutron number3
relative atomic mass
10.04165354 ± 0.000429417 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
143 ± 36 ys
Espin1
nuclear quadrupole moment
data de descobèrta2002
parity-

decay modeintensity
p (proton emission)

11N

mass number11
neutron number4
relative atomic mass
11.026157593 ± 0.000005368 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
585 ± 7 ys
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1974
parity+

decay modeintensity
p (proton emission)100%

12N

mass number12
neutron number5
relative atomic mass
12.01861318 ± 0.000001073 Da
g-factor
0.4571 ± 0.0001
natural abundance
Radioactivitat☢️ radioactive element
Semivida
11 ± 0.016 ms
Espin1
nuclear quadrupole moment
0.01 ± 0.0009
data de descobèrta1949
parity+

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

13N

mass number13
neutron number6
relative atomic mass
13.005738609 ± 0.000000289 Da
g-factor
0.6438 ± 0.0008
natural abundance
Radioactivitat☢️ radioactive element
Semivida
9.965 ± 0.004 m
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1934
parity-

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

14N

mass number14
neutron number7
relative atomic mass
14.00307400425 ± 0.00000000024 Da
g-factor
0.403573 ± 0.000002
natural abundance
99.6205 ± 0.0247
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin1
nuclear quadrupole moment
data de descobèrta1920
parity+

15N

mass number15
neutron number8
relative atomic mass
15.00010889827 ± 0.00000000062 Da
g-factor
-0.5661138 ± 0.0000028
natural abundance
0.3795 ± 0.0247
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1929
parity-

16N

mass number16
neutron number9
relative atomic mass
16.006101925 ± 0.00000247 Da
g-factor
0.9928 ± 0.00055
natural abundance
Radioactivitat☢️ radioactive element
Semivida
7.13 ± 0.02 s
Espin2
nuclear quadrupole moment
-0.018 ± 0.002
data de descobèrta1933
parity-

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

17N

mass number17
neutron number10
relative atomic mass
17.008448876 ± 0.000016103 Da
g-factor
0.7104 ± 0.0008
natural abundance
Radioactivitat☢️ radioactive element
Semivida
4.173 ± 0.004 s
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1949
parity-

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

18N

mass number18
neutron number11
relative atomic mass
18.014077563 ± 0.000019935 Da
g-factor
0.3274 ± 0.0004
natural abundance
Radioactivitat☢️ radioactive element
Semivida
619.2 ± 1.9 ms
Espin1
nuclear quadrupole moment
0.0123 ± 0.0012
data de descobèrta1964
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

mass number19
neutron number12
relative atomic mass
19.017022389 ± 0.00001761 Da
g-factor
0.61 ± 0.03
natural abundance
Radioactivitat☢️ radioactive element
Semivida
336 ± 3 ms
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1968
parity-

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

20N

mass number20
neutron number13
relative atomic mass
20.023367295 ± 0.000084696 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
136 ± 3 ms
Espin2
nuclear quadrupole moment
data de descobèrta1969
parity-

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

21N

mass number21
neutron number14
relative atomic mass
21.027087573 ± 0.000143906 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
85 ± 5 ms
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1970
parity-

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

22N

mass number22
neutron number15
relative atomic mass
22.034100918 ± 0.00022306 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
23 ± 3 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1979
parity-

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

23N

mass number23
neutron number16
relative atomic mass
23.039421 ± 0.0004515 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
13.9 ± 1.4 ms
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1985
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

mass number24
neutron number17
relative atomic mass
24.05039 ± 0.00043 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin
nuclear quadrupole moment
data de descobèrta
parity

decay modeintensity
n (neutron emission)

25N

mass number25
neutron number18
relative atomic mass
25.0601 ± 0.00054 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin1/2
nuclear quadrupole moment
0
data de descobèrta
parity-

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

istòria

descobridor o inventaireDaniel Rutherford
luòc de descobèrtaScotland
data de descobèrta1772
EtimologiaGreek: nitron and genes, (soda forming).
pronunciationNYE-treh-gen (English)

source

Abundance
Abundance in Earth's crust
natural abundance (Ocean)
0.5 mg/L
natural abundance (còs uman)
2.6 %
natural abundance (meteoroid)
0.14 %
natural abundance (Solelh)
0.1 %
Abundance in Universe
0.1 %

Nuclear Screening Constants

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