ଜେନନ

ଜେନନ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Xe ଓ ପରମାଣୁ କ୍ରମାଙ୍କ ୫୪ ।

Xenon,  ₅₄Xe

Spectral lines of xenon
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ	xenon, Xe
Appearance	colorless gas, exhibiting a blue glow when placed in a high voltage electric field
ଉଚ୍ଚାରଣ	/ˈzɛnɒn/ ZEN-on[1] or /ˈziːnɒn/ ZEE-non[2]
Xenon in the periodic table
Kr ↑ Xe ↓ Rn iodine ← xenon → caesium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)	54
ଶ୍ରେଣୀ, ବ୍ଳକ	group 18 (noble gases), p-block
ପର୍ଯ୍ୟାୟ	period 5
ମୌଳିକ ପ୍ରକାର	noble gas
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)	131.293(6)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ	[Kr] 5s2 4d10 5p6
per shell	2, 8, 18, 18, 8
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା	gas
ଗଳନାଙ୍କ	161.4 K ​(-111.7 °C, ​-169.1 °F)
ସ୍ଫୁଟନାଙ୍କ	165.03 K ​(-108.12 °C, ​-162.62 °F)
ଘନତା at stp (0 °C and 101.325 kPa)	5.894 g/L
when liquid, at b.p.	3.057[3] g/cm3
Triple point	161.405 K, ​81.6[4] kPa
Critical point	289.77 K, 5.841 MPa
Heat of fusion	2.27 kJ/mol
Heat of	12.64 kJ/mol
Molar heat capacity	5R/2 = 20.786 J/(mol·K)
pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 83 92 103 117 137 165
Atomic properties
Oxidation states	0, +1, +2, +4, +6, +8 ​rarely more than 0) (weakly acidic oxide
Electronegativity	Pauling scale: 2.6
Covalent radius	140±9 pm
Van der Waals radius	216 pm
Miscellanea
Crystal structure	​face-centered cubic (fcc)
Speed of sound	(liquid) 1090 m/s; (gas) 169 m/s
Thermal conductivity	5.65×10-3  W/(m·K)
Magnetic ordering	diamagnetic[5]
CAS Number	7440-63-3
ଇତିହାସ
ଆବିଷ୍କାର	William Ramsay and Morris Travers (1898)
First isolation	William Ramsay and Morris Travers (1898)
Most stable isotopes of xenon
iso NA half-life DM DE (MeV) DP 124Xe 0.095% >4.8×1016 y β+β+ 0.825 124Te 125Xe syn 16.9 h ε 1.652 125I 126Xe 0.089% 126Xe is stable with 72 neutrons 127Xe syn 36.345 d ε 0.662 127I 128Xe 1.91% 128Xe is stable with 74 neutrons 129Xe 26.4% 129Xe is stable with 75 neutrons 130Xe 4.07% 130Xe is stable with 76 neutrons 131Xe 21.2% 131Xe is stable with 77 neutrons 132Xe 26.9% 132Xe is stable with 78 neutrons 133Xe syn 5.247 d β− 0.427 133Cs 134Xe 10.4% >1.1×1016 y β−β− 2.864 134Ba 135Xe syn 9.14 h β− 1.16 135Cs 136Xe 8.86% 2.11×1021 y[6] β−β− 2.45783[7] 136Ba
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ଆଧାର

1. Simpson, J. A.; Weiner, E. S. C., eds. (1989). "Xenon". Oxford English Dictionary. Vol. 20 (2nd ed.). Clarendon Press. ISBN 0-19-861232-X.
2. "Xenon". Dictionary.com Unabridged. 2010. Retrieved 2010-05-06.
3. "Krypton". Gas Encyclopedia. Air Liquide. 2009.
4. Section 4 "Properties of the Elements and Inorganic Compounds; Melting, boiling, triple, and critical temperatures of the elements" in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
5. Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
6. Ackerman, N.; et al. (2011). "Observation of Two-Neutrino Double-Beta Decay in ¹³⁶Xe with the EXO-200 Detector". Physical Review Letters. 107 (21): 212501. Bibcode:2011PhRvL.107u2501A. doi:10.1103/PhysRevLett.107.212501.
7. doi:10.1103/PhysRevLett.98.053003
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ବାହାର ଲିଙ୍କ

• Xenon at The Periodic Table of Videos (University of Nottingham)
• WebElements.com – Xenon
• USGS Periodic Table – Xenon
• EnvironmentalChemistry.com – Xenon
• Xenon as an anesthetic
• Sir William Ramsay's Nobel-Prize lecture (1904)