Oksijeni

Oksijeni (O)

chemical element, symbol O and atomic number 8
Atomic Number8
Atomic Weight15.999
mass number16
Group16
Period2
Blockp
protoni8 p+
nyutroni8 n0
elektroni8 e-
Animated Bohr model of O (Oksijeni)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
msongamano
Atomic Radii Of The Elements: Oksijeni0102030405060708090100110120130140150160pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

nishati
proton affinity
electron affinity
ionization energy
ionization energy of O (Oksijeni)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektroni
Mzingo elektroni2, 6
Bohr model: O (Oksijeni)
valence electron6
Lewis structure: O (Oksijeni)
electron configuration[He] 2s2 2p4
1s2 2s2 2p4
Enhanced Bohr model of O (Oksijeni)
Orbital Diagram of O (Oksijeni)
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
Kiwango utatu
appearance
Rangi
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
Uga sumaku
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
Unururifu☢️ radioactive element
Nusumaisha
198 ± 12 ys
spin3/2
nuclear quadrupole moment
Uvumbuzi2019
parity-

hali ya kuozaintensity
2p (2-proton emission)100%

12O

mass number12
neutron number4
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
8.9 ± 3.3 zs
spin0
nuclear quadrupole moment
0
Uvumbuzi1978
parity+

hali ya kuozaintensity
2p (2-proton emission)100%

13O

mass number13
neutron number5
Relative Atomic Mass
g-factor
0.92613333333333 ± 0.0002
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
8.58 ± 0.05 ms
spin3/2
nuclear quadrupole moment
0.0111 ± 0.0008
Uvumbuzi1963
parity-

hali ya kuozaintensity
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
Unururifu☢️ radioactive element
Nusumaisha
70.621 ± 0.011 s
spin0
nuclear quadrupole moment
0
Uvumbuzi1949
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%

15O

mass number15
neutron number7
Relative Atomic Mass
g-factor
1.43816 ± 0.00024
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
122.266 ± 0.043 s
spin1/2
nuclear quadrupole moment
0
Uvumbuzi1934
parity-

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%

16O

mass number16
neutron number8
Relative Atomic Mass
g-factor
0
natural abundance
99.757 ± 0.011
Unururifustable isotope
NusumaishaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
Uvumbuzi1919
parity+

17O

mass number17
neutron number9
Relative Atomic Mass
g-factor
-0.7574172 ± 0.000004
natural abundance
0.03835 ± 0.00096
Unururifustable isotope
NusumaishaNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
Uvumbuzi1925
parity+

18O

mass number18
neutron number10
Relative Atomic Mass
g-factor
0
natural abundance
0.2045 ± 0.0102
Unururifustable isotope
NusumaishaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
Uvumbuzi1929
parity+

19O

mass number19
neutron number11
Relative Atomic Mass
g-factor
0.612952 ± 0.000028
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
26.47 ± 0.006 s
spin5/2
nuclear quadrupole moment
0.00362 ± 0.00013
Uvumbuzi1936
parity+

hali ya kuozaintensity
β (β decay)100%

20O

mass number20
neutron number12
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
13.51 ± 0.05 s
spin0
nuclear quadrupole moment
0
Uvumbuzi1959
parity+

hali ya kuozaintensity
β (β decay)100%

21O

mass number21
neutron number13
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
3.42 ± 0.1 s
spin5/2
nuclear quadrupole moment
Uvumbuzi1968
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)

22O

mass number22
neutron number14
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
2.25 ± 0.09 s
spin0
nuclear quadrupole moment
0
Uvumbuzi1969
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)22%

23O

mass number23
neutron number15
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
97 ± 8 ms
spin1/2
nuclear quadrupole moment
0
Uvumbuzi1970
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)7%

24O

mass number24
neutron number16
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
77.4 ± 4.5 ms
spin0
nuclear quadrupole moment
0
Uvumbuzi1970
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)43%

25O

mass number25
neutron number17
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
5.18 ± 0.35 zs
spin3/2
nuclear quadrupole moment
Uvumbuzi2008
parity+

hali ya kuozaintensity
n (neutron emission)100%

26O

mass number26
neutron number18
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
4.2 ± 3.3 ps
spin0
nuclear quadrupole moment
0
Uvumbuzi2012
parity+

hali ya kuozaintensity
2n (2-neutron emission)100%

27O

mass number27
neutron number19
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin3/2
nuclear quadrupole moment
Uvumbuzi
parity+

hali ya kuozaintensity
n (neutron emission)
2n (2-neutron emission)

28O

mass number28
neutron number20
Relative Atomic Mass
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin0
nuclear quadrupole moment
0
Uvumbuzi
parity+

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

historia

mgunduzi au mvumbuziJoseph Priestly, Carl Wilhelm Scheele
location of discoveryEngland/Sweden
Uvumbuzi1774
EtimolojiaGreek: oxys and genes, (acid former).
pronunciationOK-si-jen (Kiingereza)

source

Abundance
Abundance in Earth's crust
natural abundance (Bahari)
natural abundance (Mwili)
61 %
natural abundance (Kimondo)
40 %
natural abundance (Jua)
0.9 %
Abundance in Universe
1 %

Nuclear Screening Constants

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