Оксиген

Оксиген (O)

унсури кимиёвӣ бо рақами тартибии 8
Atomic Number8
Atomic Weight15.999
Адади массавӣ16
Group16
Period2
Blockp
proton8 p+
neutron8 n0
electron8 e-
Animated Bohr model of O (Оксиген)

Хусусияти Физикӣ

Atomic Radius
60 pm
molar volume
covalent radius
63 pm
Metallic Radius
ionic radius
135 pm
Crystal Radius
121 pm
Van der Waals radius
152 pm
зичӣ
0,001308 g/cm³
Atomic Radii Of The Elements: Оксиген0102030405060708090100110120130140150160pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
485,2 kJ/mol
electron affinity
1,4611135 eV/particle
ionization energy
13,618054 eV/particle
ionization energy of O (Оксиген)
enthalpy of vaporization
гармои гудозиш
standard enthalpy of formation
249,229 kJ/mol
electron
Абри электронӣ2, 6
Bohr model: O (Оксиген)
valence electron6
Lewis structure: O (Оксиген)
electron configuration[He] 2s2 2p4
1s2 2s2 2p4
Enhanced Bohr model of O (Оксиген)
Orbital Diagram of O (Оксиген)
oxidation number-2, -1, 0, 1, 2
electronegativity
3.44
Electrophilicity Index
2,337978174823841 eV/particle
fundamental state of matter
phase of matterGas
gaseous state of matterDiatomic
Boiling Point
90,188 K
Melting Point
54,36 K
critical pressure
5,043 MPa
critical temperature
154,581 K
triple point
54,3584 K
0,1463 kPa
appearance
Ранг
Colorless
appearance
refractive index
1,000271
thermodynamic material property
Thermal Conductivity
0,027 W/(m K)
thermal expansion
molar heat capacity
29,378 J/(mol K)
Specific Heat Capacity
heat capacity ratio7/5
electrical properties
навъ
electrical conductivity
electrical resistivity
superconductivity
magnetism
навъparamagnetic
magnetic susceptibility (Mass)
0,000001335 m³/Kg
magnetic susceptibility (Molar)
0,0000000427184 m³/mol
magnetic susceptibility (Volume)
0,00000190772
magnetic ordering
Curie temperature
Néel temperature
сохт
Crystal StructureBase Centered Monoclinic (CUB)
lattice constant
6,83 Å
Lattice Anglesπ/2, 2.313085, π/2
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
317,5 m/s
classification
CategoryOther nonmetals, Nonmetals
CAS GroupVIB
IUPAC GroupVIA
Glawe Number97
Mendeleev Number99
Pettifor Number101
Geochemical Classmajor
Goldschmidt classificationlitophile

other

Gas Basicity
459,6 kJ/mol
polarizability
5,3 ± 0,2 a₀
C6 Dispersion Coefficient
15,6 a₀
allotropeDioxygen, Ozone, Tetraoxygen
Neutron cross section
0,00028
Neutron Mass Absorption
0,000001
ададҳои квантӣ3P2
space group12 (C12/m1)

Isotopes of Oxygen

Stable Isotopes3
Unstable Isotopes15
Natural Isotopes3
Isotopic Composition1699.76%1699.76%170.04%170.04%180.20%180.20%

11O

Адади массавӣ11
neutron number3
relative atomic mass
11,051249828 ± 0,000064453 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
198 ± 12 ys
spin3/2
nuclear quadrupole moment
таърихи кашф2019
parity-

decay modeintensity
2p (2-proton emission)100%

12O

Адади массавӣ12
neutron number4
relative atomic mass
12,034367726 ± 0,000012882 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
8,9 ± 3,3 zs
spin0
nuclear quadrupole moment
0
таърихи кашф1978
parity+

decay modeintensity
2p (2-proton emission)100%

13O

Адади массавӣ13
neutron number5
relative atomic mass
13,024815435 ± 0,000010226 Da
g-factor
0,92613333333333 ± 0,0002
natural abundance
radioactivity☢️ radioactive element
half-life
8,58 ± 0,05 ms
spin3/2
nuclear quadrupole moment
0,0111 ± 0,0008
таърихи кашф1963
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)10.9%

14O

Адади массавӣ14
neutron number6
relative atomic mass
14,008596706 ± 0,000000027 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
70,621 ± 0,011 s
spin0
nuclear quadrupole moment
0
таърихи кашф1949
parity+

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

15O

Адади массавӣ15
neutron number7
relative atomic mass
15,003065636 ± 0,000000526 Da
g-factor
1,43816 ± 0,00024
natural abundance
radioactivity☢️ radioactive element
half-life
122,266 ± 0,043 s
spin1/2
nuclear quadrupole moment
0
таърихи кашф1934
parity-

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

16O

Адади массавӣ16
neutron number8
relative atomic mass
15,99491461926 ± 0,00000000032 Da
g-factor
0
natural abundance
99,757 ± 0,011
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
таърихи кашф1919
parity+

17O

Адади массавӣ17
neutron number9
relative atomic mass
16,99913175595 ± 0,00000000069 Da
g-factor
-0,7574172 ± 0,000004
natural abundance
0,03835 ± 0,00096
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
таърихи кашф1925
parity+

18O

Адади массавӣ18
neutron number10
relative atomic mass
17,99915961214 ± 0,00000000069 Da
g-factor
0
natural abundance
0,2045 ± 0,0102
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
таърихи кашф1929
parity+

19O

Адади массавӣ19
neutron number11
relative atomic mass
19,003577969 ± 0,00000283 Da
g-factor
0,612952 ± 0,000028
natural abundance
radioactivity☢️ radioactive element
half-life
26,47 ± 0,006 s
spin5/2
nuclear quadrupole moment
0,00362 ± 0,00013
таърихи кашф1936
parity+

decay modeintensity
β (β decay)100%

20O

Адади массавӣ20
neutron number12
relative atomic mass
20,004075357 ± 0,00000095 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
13,51 ± 0,05 s
spin0
nuclear quadrupole moment
0
таърихи кашф1959
parity+

decay modeintensity
β (β decay)100%

21O

Адади массавӣ21
neutron number13
relative atomic mass
21,008654948 ± 0,000012882 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,42 ± 0,1 s
spin5/2
nuclear quadrupole moment
таърихи кашф1968
parity+

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

22O

Адади массавӣ22
neutron number14
relative atomic mass
22,009965744 ± 0,000061107 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,25 ± 0,09 s
spin0
nuclear quadrupole moment
0
таърихи кашф1969
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)22%

23O

Адади массавӣ23
neutron number15
relative atomic mass
23,015696686 ± 0,000130663 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
97 ± 8 ms
spin1/2
nuclear quadrupole moment
0
таърихи кашф1970
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)7%

24O

Адади массавӣ24
neutron number16
relative atomic mass
24,019861 ± 0,000177 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
77,4 ± 4,5 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1970
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)43%

25O

Адади массавӣ25
neutron number17
relative atomic mass
25,029338919 ± 0,000177225 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,18 ± 0,35 zs
spin3/2
nuclear quadrupole moment
таърихи кашф2008
parity+

decay modeintensity
n (neutron emission)100%

26O

Адади массавӣ26
neutron number18
relative atomic mass
26,037210155 ± 0,000177081 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
4,2 ± 3,3 ps
spin0
nuclear quadrupole moment
0
таърихи кашф2012
parity+

decay modeintensity
2n (2-neutron emission)100%

27O

Адади массавӣ27
neutron number19
relative atomic mass
27,047955 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф
parity+

decay modeintensity
n (neutron emission)
2n (2-neutron emission)

28O

Адади массавӣ28
neutron number20
relative atomic mass
28,05591 ± 0,00075 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф
parity+

decay modeintensity
2n (2-neutron emission)
β (β decay)0%
Liquid oxygen in a beaker 4
8 oxygen (O) Bohr model

таърих

кошифJoseph Priestly, Carl Wilhelm Scheele
макони кашфEngland/Sweden
таърихи кашф1774
РешашиносӣGreek: oxys and genes, (acid former).
pronunciationOK-si-jen (Англисӣ)

source

Abundance
Abundance in Earth's crust
461 000 mg/kg
natural abundance (Уқёнус)
857 000 mg/L
natural abundance (human body)
61 %
natural abundance (meteoroid)
40 %
natural abundance (Офтоб)
0,9 %
Abundance in Universe
1 %

Nuclear Screening Constants

1s0.3421
2p3.5468
2s3.5084