Oksîjen

Oksîjen (O)

chemical element, symbol O and atomic number 8
Atomic Number8
Atomic Weight15.999
Hejmara baristeyî16
Group16
Period2
Blockp
Proton8 p+
Notron8 n0
Kareva8 e-
Animated Bohr model of O (Oksîjen)

Physical Property

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
density
0,001308 g/cm³
Atomic Radii Of The Elements: Oksîjen0102030405060708090100110120130140150160pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
485,2 kJ/mol
electron affinity
1,4611135 eV/particle
ionization energy
13,618054 eV/particle
ionization energy of O (Oksîjen)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
249,229 kJ/mol
Kareva
electron shell2, 6
Bohr model: O (Oksîjen)
valence electron6
Lewis structure: O (Oksîjen)
electron configuration[He] 2s2 2p4
1s2 2s2 2p4
Enhanced Bohr model of O (Oksîjen)
Orbital Diagram of O (Oksîjen)
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
color
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
0,918 J/(g⋅K)
heat capacity ratio7/5
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,000001335 m³/Kg
magnetic susceptibility (Molar)
0,0000000427184 m³/mol
magnetic susceptibility (Volume)
0,00000190772
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
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
Leza dengê
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
quantum number3P2
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

Hejmara baristeyî11
neutron number3
Giraniya atomê
11,051249828 ± 0,000064453 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
198 ± 12 ys
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2019
parity-

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

12O

Hejmara baristeyî12
neutron number4
Giraniya atomê
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
dema îcadkirinê yan keşfê1978
parity+

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

13O

Hejmara baristeyî13
neutron number5
Giraniya atomê
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
dema îcadkirinê yan keşfê1963
parity-

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

14O

Hejmara baristeyî14
neutron number6
Giraniya atomê
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
dema îcadkirinê yan keşfê1949
parity+

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

15O

Hejmara baristeyî15
neutron number7
Giraniya atomê
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
dema îcadkirinê yan keşfê1934
parity-

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

16O

Hejmara baristeyî16
neutron number8
Giraniya atomê
15,99491461926 ± 0,00000000032 Da
g-factor
0
natural abundance
99,757 ± 0,011
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1919
parity+

17O

Hejmara baristeyî17
neutron number9
Giraniya atomê
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
dema îcadkirinê yan keşfê1925
parity+

18O

Hejmara baristeyî18
neutron number10
Giraniya atomê
17,99915961214 ± 0,00000000069 Da
g-factor
0
natural abundance
0,2045 ± 0,0102
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1929
parity+

19O

Hejmara baristeyî19
neutron number11
Giraniya atomê
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
dema îcadkirinê yan keşfê1936
parity+

decay modeintensity
β (β decay)100%

20O

Hejmara baristeyî20
neutron number12
Giraniya atomê
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
dema îcadkirinê yan keşfê1959
parity+

decay modeintensity
β (β decay)100%

21O

Hejmara baristeyî21
neutron number13
Giraniya atomê
21,008654948 ± 0,000012882 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,42 ± 0,1 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1968
parity+

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

22O

Hejmara baristeyî22
neutron number14
Giraniya atomê
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
dema îcadkirinê yan keşfê1969
parity+

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

23O

Hejmara baristeyî23
neutron number15
Giraniya atomê
23,015696686 ± 0,000130663 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
97 ± 8 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1970
parity+

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

24O

Hejmara baristeyî24
neutron number16
Giraniya atomê
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
dema îcadkirinê yan keşfê1970
parity+

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

25O

Hejmara baristeyî25
neutron number17
Giraniya atomê
25,029338919 ± 0,000177225 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,18 ± 0,35 zs
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2008
parity+

decay modeintensity
n (neutron emission)100%

26O

Hejmara baristeyî26
neutron number18
Giraniya atomê
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
dema îcadkirinê yan keşfê2012
parity+

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

27O

Hejmara baristeyî27
neutron number19
Giraniya atomê
27,047955 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity+

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

28O

Hejmara baristeyî28
neutron number20
Giraniya atomê
28,05591 ± 0,00075 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê
parity+

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

dîrok

kaşîf an îcadkerJoseph Priestly, Carl Wilhelm Scheele
location of discoveryEngland/Sweden
dema îcadkirinê yan keşfê1774
BêjenasîGreek: oxys and genes, (acid former).
pronunciationOK-si-jen (îngilîzî)

source

Abundance
Abundance in Earth's crust
461.000 mg/kg
natural abundance (Okyanûs)
857.000 mg/L
natural abundance (human body)
61 %
natural abundance (meteoroid)
40 %
natural abundance (Roj)
0,9 %
Abundance in Universe
1 %

Nuclear Screening Constants

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