ଛାଞ୍ଚ:Infobox oxygen

Oxygen,  ₈O

Spectral lines of oxygen
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ	oxygen, O
Appearance	colorless gas; pale blue liquid. Oxygen bubbles rise in this photo of liquid oxygen.
ଉଚ୍ଚାରଣ	/ˈɒksdʒən/ OK-si-jən
Oxygen in the periodic table
- ↑ O ↓ S nitrogen ← oxygen → fluorine
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)	8
ଶ୍ରେଣୀ, ବ୍ଳକ	group 16 (chalcogens), p-block
ପର୍ଯ୍ୟାୟ	period 2
ମୌଳିକ ପ୍ରକାର	nonmetal
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar)	15.999(4)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ	[He] 2s2 2p4
per shell	2, 6
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା	gas
ଗଳନାଙ୍କ	54.36 K ​(-218.79 °C, ​-361.82 °F)
ସ୍ଫୁଟନାଙ୍କ	90.20 K ​(-182.95 °C, ​-297.31 °F)
ଘନତା at stp (0 °C and 101.325 kPa)	1.429 g/L
when liquid, at b.p.	1.141 g/cm3
Critical point	154.59 K, 5.043 MPa
Heat of fusion	(O2) 0.444 kJ/mol
Heat of	(O2) 6.82 kJ/mol
Molar heat capacity	(O2) 29.378 J/(mol·K)
pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K)       61 73 90
Atomic properties
Oxidation states	2, 1, −1, −2
Electronegativity	Pauling scale: 3.44
energies	(more)
Covalent radius	66±2 pm
Van der Waals radius	152 pm
Miscellanea
Crystal structure	​cubic
Speed of sound	(gas, 27 °C) 330 m/s
Thermal conductivity	26.58x10-3  W/(m·K)
Magnetic ordering	paramagnetic
CAS Number	7782-44-7
ଇତିହାସ
ଆବିଷ୍କାର	Carl Wilhelm Scheele (1772)
Named by	Antoine Lavoisier (1777)
Most stable isotopes of oxygen
iso NA half-life DM DE (MeV) DP 16O 99.76% 16O is stable with 8 neutrons 17O 0.039% 17O is stable with 9 neutrons 18O 0.201% 18O is stable with 10 neutrons

References

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