Oksigen

Oksigen (O)

chemical element, symbol O and atomic number 8
Atomic Number8
Atomic Weight15.999
Nombor jisim16
Group16
Period2
Blockp
proton8 p+
neutron8 n0
Elektron8 e-
Animated Model Bohr of O (Oksigen)

Sifat Fizikal

Jejari Atom
60 pm
molar volume
Jejari kovalen
63 pm
Metallic Radius
ionic radius
135 pm
Crystal Radius
121 pm
Jejari van der Waals
152 pm
ketumpatan
0.001308 g/cm³
Atomic Radii Of The Elements: Oksigen0102030405060708090100110120130140150160pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
485.2 kJ/mol
Pertalian elektron
1.4611135 eV/particle
ionization energy
13.618054 eV/particle
ionization energy of O (Oksigen)
Entalpi pengewapan
entalpi pelakuran
standard enthalpy of formation
249.229 kJ/mol
Elektron
Petala elektron2, 6
Model Bohr: O (Oksigen)
Elektron valens6
Teori ion Lewis: O (Oksigen)
tatarajah elektron[He] 2s2 2p4
1s2 2s2 2p4
Enhanced Model Bohr of O (Oksigen)
Orbital Diagram of O (Oksigen)
Keadaan pengoksidaan-2, -1, 0, 1, 2
Keelektronegatifan
3.44
Electrophilicity Index
2.337978174823841 eV/particle
keadaan jirim asas
fasa jirimGas
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
rupa
warna
Colorless
rupa
indeks biasan
1.000271
sifat bahan
Thermal Conductivity
0.027 W/(m K)
Pengembangan terma
molar heat capacity
29.378 J/(mol K)
Specific Heat Capacity
0.918 J/(g⋅K)
heat capacity ratio7/5
electrical properties
type
Kekonduksian elektrik
Kerintangan dan kekonduksian elektrik
Kesuperkonduksian
kemagnetan
typeparamagnetic
magnetic susceptibility (Mass)
0.000001335 m³/Kg
magnetic susceptibility (Molar)
0.0000000427184 m³/mol
magnetic susceptibility (Volume)
0.00000190772
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal StructureBase Centered Monoclinic (CUB)
lattice constant
6.83 Å
Lattice Anglesπ/2, 2.313085, π/2
mechanical property
hardness
Modulus pukal
shear modulus
Young's modulus
Nisbah Poisson
Kelajuan bunyi
317.5 m/s
pengelasan
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
Nombor kuantum3P2
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

Nombor jisim11
nombor neutron3
jisim atom relatif
11.051249828 ± 0.000064453 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
198 ± 12 ys
Spin3/2
nuclear quadrupole moment
tarikh penemuan2019
parity-

decay modeKeamatan (fizik)
2p (2-proton emission)100%

12O

Nombor jisim12
nombor neutron4
jisim atom relatif
12.034367726 ± 0.000012882 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
8.9 ± 3.3 zs
Spin0
nuclear quadrupole moment
0
tarikh penemuan1978
parity+

decay modeKeamatan (fizik)
2p (2-proton emission)100%

13O

Nombor jisim13
nombor neutron5
jisim atom relatif
13.024815435 ± 0.000010226 Da
g-factor
0.92613333333333 ± 0.0002
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
8.58 ± 0.05 ms
Spin3/2
nuclear quadrupole moment
0.0111 ± 0.0008
tarikh penemuan1963
parity-

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

14O

Nombor jisim14
nombor neutron6
jisim atom relatif
14.008596706 ± 0.000000027 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
70.621 ± 0.011 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1949
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

15O

Nombor jisim15
nombor neutron7
jisim atom relatif
15.003065636 ± 0.000000526 Da
g-factor
1.43816 ± 0.00024
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
122.266 ± 0.043 s
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1934
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

16O

Nombor jisim16
nombor neutron8
jisim atom relatif
15.99491461926 ± 0.00000000032 Da
g-factor
0
natural abundance
99.757 ± 0.011
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1919
parity+

17O

Nombor jisim17
nombor neutron9
jisim atom relatif
16.99913175595 ± 0.00000000069 Da
g-factor
-0.7574172 ± 0.000004
natural abundance
0.03835 ± 0.00096
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin5/2
nuclear quadrupole moment
tarikh penemuan1925
parity+

18O

Nombor jisim18
nombor neutron10
jisim atom relatif
17.99915961214 ± 0.00000000069 Da
g-factor
0
natural abundance
0.2045 ± 0.0102
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1929
parity+

19O

Nombor jisim19
nombor neutron11
jisim atom relatif
19.003577969 ± 0.00000283 Da
g-factor
0.612952 ± 0.000028
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
26.47 ± 0.006 s
Spin5/2
nuclear quadrupole moment
0.00362 ± 0.00013
tarikh penemuan1936
parity+

decay modeKeamatan (fizik)
β (β decay)100%

20O

Nombor jisim20
nombor neutron12
jisim atom relatif
20.004075357 ± 0.00000095 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
13.51 ± 0.05 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1959
parity+

decay modeKeamatan (fizik)
β (β decay)100%

21O

Nombor jisim21
nombor neutron13
jisim atom relatif
21.008654948 ± 0.000012882 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.42 ± 0.1 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1968
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

22O

Nombor jisim22
nombor neutron14
jisim atom relatif
22.009965744 ± 0.000061107 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.25 ± 0.09 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1969
parity+

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

23O

Nombor jisim23
nombor neutron15
jisim atom relatif
23.015696686 ± 0.000130663 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
97 ± 8 ms
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1970
parity+

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

24O

Nombor jisim24
nombor neutron16
jisim atom relatif
24.019861 ± 0.000177 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
77.4 ± 4.5 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1970
parity+

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

25O

Nombor jisim25
nombor neutron17
jisim atom relatif
25.029338919 ± 0.000177225 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.18 ± 0.35 zs
Spin3/2
nuclear quadrupole moment
tarikh penemuan2008
parity+

decay modeKeamatan (fizik)
n (neutron emission)100%

26O

Nombor jisim26
nombor neutron18
jisim atom relatif
26.037210155 ± 0.000177081 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.2 ± 3.3 ps
Spin0
nuclear quadrupole moment
0
tarikh penemuan2012
parity+

decay modeKeamatan (fizik)
2n (2-neutron emission)100%

27O

Nombor jisim27
nombor neutron19
jisim atom relatif
27.047955 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3/2
nuclear quadrupole moment
tarikh penemuan
parity+

decay modeKeamatan (fizik)
n (neutron emission)
2n (2-neutron emission)

28O

Nombor jisim28
nombor neutron20
jisim atom relatif
28.05591 ± 0.00075 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan
parity+

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

sejarah

penemu atau perekaJoseph Priestly, Carl Wilhelm Scheele
tempat penemuanEngland/Sweden
tarikh penemuan1774
EtimologiGreek: oxys and genes, (acid former).
sebutanOK-si-jen (Inggeris)

sumber

Abundance
Abundance in Earth's crust
461,000 mg/kg
natural abundance (lautan)
857,000 mg/L
natural abundance (Tubuh manusia)
61 %
natural abundance (Meteoroid)
40 %
natural abundance (Matahari)
0.9 %
Abundance in Universe
1 %

Nuclear Screening Constants

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