Kiseonik, ²Kisik (O)

hemijski element sa simbolom O i atomskim brojem 8

Atomic Number	8
Atomic Weight	15.999
Maseni broj	16

Group	16
Period	2
Block	p

Proton	8 p⁺
Neutron	8 n⁰
Elektron	8 e^-

Animated Bohrov model atoma of O (Kiseonik, ²Kisik)

Physical Property

Atomski Radijus	60 pm 171 pm
Molarni volumen	14 cm³/mol
covalent radius	63 pm 57 pm 53 pm 65 pm 66 pm
Metallic Radius
Ionski radijus	135 pm 136 pm 138 pm 140 pm 142 pm
Crystal Radius	121 pm 122 pm 124 pm 126 pm 128 pm
Van der Waalsov radijus	155 pm 152 pm 340,46 pm 152 pm 182 pm 158 pm 350 pm
gustoća	0,001308 g/cm³

Chemical Property

{ERROR}

energija

proton affinity	485,2 kJ/mol
electron affinity	1,4611135 eV/particle
ionization energy	13,618054 eV/particle 35,12111 eV/particle 54,93554 eV/particle 77,4135 eV/particle 113,8989 eV/particle 138,1189 eV/particle 739,32679 eV/particle 871,40985 eV/particle

Toplota isparavanja
toplota topljenja
standard enthalpy of formation	249,229 kJ/mol
Elektron

electron shell	2, 6

Valentni elektron	6 ⓘ

electron configuration	[He] 2s² 2p⁴ⓘ 1s² 2s² 2p⁴

oksidacijsko stanje	-2, -1, 0, 1, 2
Elektronegativnost	21,36 eV/particle 0.304575 3.44
Electrophilicity Index	2,337978174823841 eV/particle
fundamental state of matter

agregatno stanje
gaseous state of matter	Diatomic
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	Black #f00000 #ff0d0d #f32e42
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 ratio	7/5
electrical properties
type
Specifična električna provodljivost
electrical resistivity
Superprovodljivost
Magnetizam
type	paramagnetic
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 Structure	{ERROR}
lattice constant	6,83 Å
Lattice Angles	π/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
Category	Actinides, Nonmetals
CAS Group	VIB
IUPAC Group	VIA
Glawe Number	97
Mendeleev Number	99
Pettifor Number	101
Geochemical Class	major
Goldschmidt classification	litophile

other

Gas Basicity	459,6 kJ/mol
polarizability	5,3 ± 0,2 a₀
C6 Dispersion Coefficient	15,6 a₀ 16,7 a₀
allotrope	Dioxygen, Ozone, Tetraoxygen
Neutron cross section	0,00028
Neutron Mass Absorption	0,000001
Kvantni brojevi	3P2
space group	12 (C12/m1)

Isotopes of Oxygen

Stable Isotopes	3
Unstable Isotopes	15
Natural Isotopes	3

¹¹O

Maseni broj	11
broj neutrona	3
Relative Atomic Mass	11,051249828 ± 0,000064453 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	198 ± 12 ys
spin	3/2
nuclear quadrupole moment
datum otkrića	2019
parity	-

decay mode	intensity
2p (2-proton emission)	100%

¹²O

Maseni broj	12
broj neutrona	4
Relative Atomic Mass	12,034367726 ± 0,000012882 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	8,9 ± 3,3 zs
spin	0
nuclear quadrupole moment	0
datum otkrića	1978
parity	+

decay mode	intensity
2p (2-proton emission)	100%

¹³O

Maseni broj	13
broj neutrona	5
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
spin	3/2
nuclear quadrupole moment	0,0111 ± 0,0008
datum otkrića	1963
parity	-

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

¹⁴O

Maseni broj	14
broj neutrona	6
Relative Atomic Mass	14,008596706 ± 0,000000027 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	70,621 ± 0,011 s
spin	0
nuclear quadrupole moment	0
datum otkrića	1949
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁵O

Maseni broj	15
broj neutrona	7
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
spin	1/2
nuclear quadrupole moment	0
datum otkrića	1934
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁶O

Maseni broj	16
broj neutrona	8
Relative Atomic Mass	15,99491461926 ± 0,00000000032 Da
g-factor	0
natural abundance	99,757 ± 0,011
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
datum otkrića	1919
parity	+

¹⁷O

Maseni broj	17
broj neutrona	9
Relative Atomic Mass	16,99913175595 ± 0,00000000069 Da
g-factor	-0,7574172 ± 0,000004
natural abundance	0,03835 ± 0,00096
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	5/2
nuclear quadrupole moment
datum otkrića	1925
parity	+

¹⁸O

Maseni broj	18
broj neutrona	10
Relative Atomic Mass	17,99915961214 ± 0,00000000069 Da
g-factor	0
natural abundance	0,2045 ± 0,0102
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
datum otkrića	1929
parity	+

¹⁹O

Maseni broj	19
broj neutrona	11
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
spin	5/2
nuclear quadrupole moment	0,00362 ± 0,00013
datum otkrića	1936
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²⁰O

Maseni broj	20
broj neutrona	12
Relative Atomic Mass	20,004075357 ± 0,00000095 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	13,51 ± 0,05 s
spin	0
nuclear quadrupole moment	0
datum otkrića	1959
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²¹O

Maseni broj	21
broj neutrona	13
Relative Atomic Mass	21,008654948 ± 0,000012882 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,42 ± 0,1 s
spin	5/2
nuclear quadrupole moment
datum otkrića	1968
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

²²O

Maseni broj	22
broj neutrona	14
Relative Atomic Mass	22,009965744 ± 0,000061107 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,25 ± 0,09 s
spin	0
nuclear quadrupole moment	0
datum otkrića	1969
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	22%

²³O

Maseni broj	23
broj neutrona	15
Relative Atomic Mass	23,015696686 ± 0,000130663 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	97 ± 8 ms
spin	1/2
nuclear quadrupole moment	0
datum otkrića	1970
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	7%

²⁴O

Maseni broj	24
broj neutrona	16
Relative Atomic Mass	24,019861 ± 0,000177 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	77,4 ± 4,5 ms
spin	0
nuclear quadrupole moment	0
datum otkrića	1970
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	43%

²⁵O

Maseni broj	25
broj neutrona	17
Relative Atomic Mass	25,029338919 ± 0,000177225 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5,18 ± 0,35 zs
spin	3/2
nuclear quadrupole moment
datum otkrića	2008
parity	+

decay mode	intensity
n (neutron emission)	100%

²⁶O

Maseni broj	26
broj neutrona	18
Relative Atomic Mass	26,037210155 ± 0,000177081 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,2 ± 3,3 ps
spin	0
nuclear quadrupole moment	0
datum otkrića	2012
parity	+

decay mode	intensity
2n (2-neutron emission)	100%

²⁷O

Maseni broj	27
broj neutrona	19
Relative Atomic Mass	27,047955 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
datum otkrića
parity	+

decay mode	intensity
n (neutron emission)
2n (2-neutron emission)

²⁸O

Maseni broj	28
broj neutrona	20
Relative Atomic Mass	28,05591 ± 0,00075 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	0
nuclear quadrupole moment	0
datum otkrića
parity	+

decay mode	intensity
2n (2-neutron emission)
β⁻ (β⁻ decay)	0%

historija

otkrivač ili izumitelj	Joseph Priestly, Carl Wilhelm Scheele
mjesto otkrića	England/Sweden
datum otkrića	1774
Etimologija	Greek: oxys and genes, (acid former).
pronunciation	OK-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

1	s	0.3421
2	p	3.5468
2	s	3.5084

Kiseonik, ²Kisik on ChemicalAid

Kiseonik, ²Kisik (O)

Physical Property

Chemical Property

other

Isotopes of Oxygen

11O

12O

13O

14O

15O

16O

17O

18O

19O

20O

21O

22O

23O

24O

25O

26O

27O

28O

historija

izvor

Nuclear Screening Constants

¹¹O

¹²O

¹³O

¹⁴O

¹⁵O

¹⁶O

¹⁷O

¹⁸O

¹⁹O

²⁰O

²¹O

²²O

²³O

²⁴O

²⁵O

²⁶O

²⁷O

²⁸O