Oksijɛ́ní

Oksijɛ́ní (O)

chemical element, symbol O and atomic number 8
Atomic Number8
Atomic Weight15.999
mass number16
Group16
Period2
Blockp
Proton8 p+
Netron8 n0
Eléktron8 e-
Animated Bohr model of O (Oksijɛ́ní)

Physical Property

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Oksijɛ́ní0102030405060708090100110120130140150160pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

molungé
proton affinity
electron affinity
ionization energy
ionization energy of O (Oksijɛ́ní)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Eléktron
electron shell2, 6
Bohr model: O (Oksijɛ́ní)
valence electron6
Lewis structure: O (Oksijɛ́ní)
electron configuration[He] 2s2 2p4
1s2 2s2 2p4
Enhanced Bohr model of O (Oksijɛ́ní)
Orbital Diagram of O (Oksijɛ́ní)
oxidation number-2, -1, 0, 1, 2
electronegativity
3.44
Electrophilicity Index
fundamental state of matter
phase of matterGas
gaseous state of matterDiatomic
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Lángi
Colorless
appearance
refractive index
1,000271
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
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
Curie temperature
Néel temperature
structure
Crystal StructureBase Centered Monoclinic (CUB)
lattice constant
Lattice Anglesπ/2, 2.313085, π/2
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryOther nonmetals, Nonmetals
CAS GroupVIB
IUPAC GroupVIA
Glawe Number97
Mendeleev Number99
Pettifor Number101
Geochemical Classmajor
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
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

mass number11
neutron number3
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
198 ± 12 ys
spin3/2
nuclear quadrupole moment
time of discovery or invention2019
parity-

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

12O

mass number12
neutron number4
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
8,9 ± 3,3 zs
spin0
nuclear quadrupole moment
0
time of discovery or invention1978
parity+

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

13O

mass number13
neutron number5
Relative Atomic Mass
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
time of discovery or invention1963
parity-

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

14O

mass number14
neutron number6
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
70,621 ± 0,011 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

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

15O

mass number15
neutron number7
Relative Atomic Mass
g-factor
1,43816 ± 0,00024
natural abundance
radioactivity☢️ radioactive element
half-life
122,266 ± 0,043 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1934
parity-

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

16O

mass number16
neutron number8
Relative Atomic Mass
g-factor
0
natural abundance
99,757 ± 0,011
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1919
parity+

17O

mass number17
neutron number9
Relative Atomic Mass
g-factor
-0,7574172 ± 0,000004
natural abundance
0,03835 ± 0,00096
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
time of discovery or invention1925
parity+

18O

mass number18
neutron number10
Relative Atomic Mass
g-factor
0
natural abundance
0,2045 ± 0,0102
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1929
parity+

19O

mass number19
neutron number11
Relative Atomic Mass
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
time of discovery or invention1936
parity+

decay modeintensity
β (β decay)100%

20O

mass number20
neutron number12
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
13,51 ± 0,05 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1959
parity+

decay modeintensity
β (β decay)100%

21O

mass number21
neutron number13
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,42 ± 0,1 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1968
parity+

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

22O

mass number22
neutron number14
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,25 ± 0,09 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1969
parity+

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

23O

mass number23
neutron number15
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
97 ± 8 ms
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1970
parity+

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

24O

mass number24
neutron number16
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
77,4 ± 4,5 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention1970
parity+

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

25O

mass number25
neutron number17
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,18 ± 0,35 zs
spin3/2
nuclear quadrupole moment
time of discovery or invention2008
parity+

decay modeintensity
n (neutron emission)100%

26O

mass number26
neutron number18
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
4,2 ± 3,3 ps
spin0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

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

27O

mass number27
neutron number19
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
time of discovery or invention
parity+

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

28O

mass number28
neutron number20
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention
parity+

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

lisoló

discoverer or inventorJoseph Priestly, Carl Wilhelm Scheele
location of discoveryEngland/Sweden
time of discovery or invention1774
etymologyGreek: oxys and genes, (acid former).
pronunciationOK-si-jen (lingɛlɛ́sa)

source

Abundance
Abundance in Earth's crust
natural abundance (ocean)
natural abundance (human body)
61 %
natural abundance (meteoroid)
40 %
natural abundance (Mói)
0,9 %
Abundance in Universe
1 %

Nuclear Screening Constants

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