ଅମ୍ଳଜାନ

ଇଂରାଜୀ ଲିଙ୍କ

https://or.wikipedia.org/wiki/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

Blue white glow from an oxygen discharge tube.

ଅମ୍ଳଜାନ (English: Oxygen; ଅକ୍‌ସିଜେନ୍) ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ O, ପରମାଣୁ କ୍ରମାଙ୍କ ୮ ।

ଇତିହାସ

ଆବିଷ୍କାର- ଜୋସେଫ ପ୍ରିଷ୍ଟଲେ, କାର୍ଲ ଉଇଲ୍‌ହେମ ସିଲି କେବେ-୧୭୭୪

କେଉଂଠି- ଇଂଲଣ୍ଡ/ ସ୍ୱିଡେନ୍‌

ଆଧାର

• Cook, Gerhard A. (1968). "Oxygen". In Clifford A. Hampel (ed.). The Encyclopedia of the Chemical Elements. New York: Reinhold Book Corporation. pp. 499–512. LCCN 68-29938. {{cite book}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
• Emsley, John (2001). "Oxygen". Nature's Building Blocks: An A-Z Guide to the Elements. Oxford, England, UK: Oxford University Press. pp. 297–304. ISBN 0-19-850340-7.
• Raven, Peter H. (2005). Biology of Plants, 7th Edition. New York: W.H. Freeman and Company Publishers. pp. 115–27. ISBN 0-7167-1007-2. {{cite book}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)

ଅଧିକ ଦେଖନ୍ତୁ

• Walker, J. (1980). "The oxygen cycle". In Hutzinger O. (ed.). Handbook of Environmental Chemistry. Volume 1. Part A: The natural environment and the biogeochemical cycles. Berlin; Heidelberg; New York: Springer-Verlag. p. 258. ISBN 0-387-09688-4.

ବାହାର ଲିଙ୍କ

• Oxygen at The Periodic Table of Videos (University of Nottingham)
• Oxidizing Agents > Oxygen
• Oxygen (O₂) Properties, Uses, Applications
• Roald Hoffmann article on "The Story of O"
• WebElements.com – Oxygen
• Chemistry in its element podcast (MP3) from the Royal Society of Chemistry's Chemistry World: Oxygen
• Oxygen on In Our Time at the BBC. (listen now)

• Scripps Institute: Atmospheric Oxygen has been dropping for 20 years