Kiseonik, ²Kisik

Kiseonik, ²Kisik (O)

hemijski element sa simbolom O i atomskim brojem 8
Atomic Number8
Atomic Weight15.999
Maseni broj16
Group16
Period2
Blockp
Proton8 p+
Neutron8 n0
Elektron8 e-
Animated Bohrov model atoma of O (Kiseonik, ²Kisik)

Physical Property

Atomski Radijus
60 pm
Molarni volumen
covalent radius
63 pm
Metallic Radius
Ionski radijus
135 pm
Crystal Radius
121 pm
Van der Waalsov radijus
152 pm
gustoća
0,001308 g/cm³
Atomic Radii Of The Elements: Kiseonik, ²Kisik0102030405060708090100110120130140150160pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
485,2 kJ/mol
electron affinity
1,4611135 eV/particle
ionization energy
13,618054 eV/particle
ionization energy of O (Kiseonik, ²Kisik)
Toplota isparavanja
toplota topljenja
standard enthalpy of formation
249,229 kJ/mol
Elektron
electron shell2, 6
Bohrov model atoma: O (Kiseonik, ²Kisik)
Valentni elektron6
Lewis structure: O (Kiseonik, ²Kisik)
electron configuration[He] 2s2 2p4
1s2 2s2 2p4
Enhanced Bohrov model atoma of O (Kiseonik, ²Kisik)
Orbital Diagram of O (Kiseonik, ²Kisik)
oksidacijsko stanje-2, -1, 0, 1, 2
Elektronegativnost
3.44
Electrophilicity Index
2,337978174823841 eV/particle
fundamental state of matter
agregatno stanjeGas
gaseous state of matterDiatomic
Boiling Point
90,188 K
Melting Point
54,36 K
critical pressure
5,043 MPa
Kritična temperatura
154,581 K
Trojna tačka
54,3584 K
0,1463 kPa
appearance
boja
Colorless
appearance
Indeks prelamanja
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
Specifična električna provodljivost
electrical resistivity
Superprovodljivost
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,000001335 m³/Kg
magnetic susceptibility (Molar)
0,0000000427184 m³/mol
magnetic susceptibility (Volume)
0,00000190772
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureBase Centered Monoclinic (CUB)
lattice constant
6,83 Å
Lattice Anglesπ/2, 2.313085, π/2
mechanical property
Tvrdoća
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Brzina zvuka
317,5 m/s
klasifikacija
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
Kvantni brojevi3P2
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

Maseni broj11
broj neutrona3
relative atomic mass
11,051249828 ± 0,000064453 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
198 ± 12 ys
spin3/2
nuclear quadrupole moment
datum otkrića2019
parity-

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

12O

Maseni broj12
broj neutrona4
relative atomic mass
12,034367726 ± 0,000012882 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,9 ± 3,3 zs
spin0
nuclear quadrupole moment
0
datum otkrića1978
parity+

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

13O

Maseni broj13
broj neutrona5
relative atomic mass
13,024815435 ± 0,000010226 Da
g-factor
0,92613333333333 ± 0,0002
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,58 ± 0,05 ms
spin3/2
nuclear quadrupole moment
0,0111 ± 0,0008
datum otkrića1963
parity-

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

14O

Maseni broj14
broj neutrona6
relative atomic mass
14,008596706 ± 0,000000027 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
70,621 ± 0,011 s
spin0
nuclear quadrupole moment
0
datum otkrića1949
parity+

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

15O

Maseni broj15
broj neutrona7
relative atomic mass
15,003065636 ± 0,000000526 Da
g-factor
1,43816 ± 0,00024
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
122,266 ± 0,043 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1934
parity-

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

16O

Maseni broj16
broj neutrona8
relative atomic mass
15,99491461926 ± 0,00000000032 Da
g-factor
0
natural abundance
99,757 ± 0,011
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1919
parity+

17O

Maseni broj17
broj neutrona9
relative atomic mass
16,99913175595 ± 0,00000000069 Da
g-factor
-0,7574172 ± 0,000004
natural abundance
0,03835 ± 0,00096
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
datum otkrića1925
parity+

18O

Maseni broj18
broj neutrona10
relative atomic mass
17,99915961214 ± 0,00000000069 Da
g-factor
0
natural abundance
0,2045 ± 0,0102
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1929
parity+

19O

Maseni broj19
broj neutrona11
relative atomic mass
19,003577969 ± 0,00000283 Da
g-factor
0,612952 ± 0,000028
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26,47 ± 0,006 s
spin5/2
nuclear quadrupole moment
0,00362 ± 0,00013
datum otkrića1936
parity+

decay modeintensity
β (β decay)100%

20O

Maseni broj20
broj neutrona12
relative atomic mass
20,004075357 ± 0,00000095 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,51 ± 0,05 s
spin0
nuclear quadrupole moment
0
datum otkrića1959
parity+

decay modeintensity
β (β decay)100%

21O

Maseni broj21
broj neutrona13
relative atomic mass
21,008654948 ± 0,000012882 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,42 ± 0,1 s
spin5/2
nuclear quadrupole moment
datum otkrića1968
parity+

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

22O

Maseni broj22
broj neutrona14
relative atomic mass
22,009965744 ± 0,000061107 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,25 ± 0,09 s
spin0
nuclear quadrupole moment
0
datum otkrića1969
parity+

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

23O

Maseni broj23
broj neutrona15
relative atomic mass
23,015696686 ± 0,000130663 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
97 ± 8 ms
spin1/2
nuclear quadrupole moment
0
datum otkrića1970
parity+

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

24O

Maseni broj24
broj neutrona16
relative atomic mass
24,019861 ± 0,000177 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
77,4 ± 4,5 ms
spin0
nuclear quadrupole moment
0
datum otkrića1970
parity+

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

25O

Maseni broj25
broj neutrona17
relative atomic mass
25,029338919 ± 0,000177225 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,18 ± 0,35 zs
spin3/2
nuclear quadrupole moment
datum otkrića2008
parity+

decay modeintensity
n (neutron emission)100%

26O

Maseni broj26
broj neutrona18
relative atomic mass
26,037210155 ± 0,000177081 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,2 ± 3,3 ps
spin0
nuclear quadrupole moment
0
datum otkrića2012
parity+

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

27O

Maseni broj27
broj neutrona19
relative atomic mass
27,047955 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
datum otkrića
parity+

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

28O

Maseni broj28
broj neutrona20
relative atomic mass
28,05591 ± 0,00075 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića
parity+

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

historija

otkrivač ili izumiteljJoseph Priestly, Carl Wilhelm Scheele
mjesto otkrićaEngland/Sweden
datum otkrića1774
EtimologijaGreek: oxys and genes, (acid former).
pronunciationOK-si-jen (engleski)

izvor

Abundance
Abundance in Earth's crust
461.000 mg/kg
natural abundance (okean)
857.000 mg/L
natural abundance (ljudsko tijelo)
61 %
natural abundance (Meteoroidi)
40 %
natural abundance (Sunce)
0,9 %
Abundance in Universe
1 %

Nuclear Screening Constants

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