زېنون

زېنون (په انگرېزي: Xenon) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Xe سمبول او ۵۴ اتمي شمېرې په وسیله ښودل شوی دی.

Xenon,  ₅₄Xe

A xenon-filled discharge tube glowing light blue
Spectral lines of xenon
عمومي خواص
Pronunciation	/ˈzɛnɒn/[1] or /ˈziːnɒn/[2] ZEN-on or ZEE-non
Appearance	colorless gas, exhibiting a blue glow when placed in an electric field
Xenon په دوراني جدول کې
Kr ↑ Xe ↓ Rn iodine ← xenon → caesium ‍
اټومي شمیره (Z)	54
گروپ, پیریود	group 18 (noble gases), period 5
بلاک	p-block
Element category	noble gas
معياري اټومي وزن (Ar)	کينډۍ:Val[3]
Electron configuration	[Kr] 4d10 5s2 5p6
Electrons per shell	2, 8, 18, 18, 8
فزیکي خواص
حالت (at STP)	گاز
دويلې کيدو ټکى	161.40 K ​(−111.75 °C, ​−169.15 °F)
يشنا ټکی	165.051 K ​(−108.099 °C, ​−162.578 °F)
کثافت (at STP)	5.894 g/L
when liquid, at b.p.	2.942 g/cm3[4]
Triple point	161.405 K, ​81.77 kPa[5]
Critical point	289.733 K, 5.842 MPa[5]
Heat of fusion	2.27 kJ/mol
Heat of vaporization	12.64 kJ/mol
Molar heat capacity	21.01[6] J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 83 92 103 117 137 165
اټومي خواص
Oxidation states	0, +1, +2, +4, +6, +8 ​(rarely more than 0; a weakly acidic oxide)
Electronegativity	Pauling scale: 2.6
Ionization energies	1st: 1170.4 kJ/mol 2nd: 2046.4 kJ/mol 3rd: 3099.4 kJ/mol
Covalent radius	140±9 pm
Van der Waals radius	216 pm
Miscellanea
Crystal structure	​face-centered cubic (fcc) Face-centered cubic crystal structure for xenon
Speed of sound	gas: 178 m·s−1 liquid: 1090 m/s
د تودوخې تېرېدنه	5.65×10−3 W/(m·K)
Magnetic ordering	diamagnetic[7]
Magnetic susceptibility (χmol)	−43.9·10−6 cm3/mol (298 K)[8]
CAS Number	7440-63-3
History
Discovery and first isolation	William Ramsay and Morris Travers (1898)
Main isotopes of xenon
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct 124Xe 0.095% stable 125Xe syn 16.9 h ε 125I 126Xe 0.089% stable 127Xe syn 36.345 d ε 127I 128Xe 1.910% stable 129Xe 26.401% stable 130Xe 4.071% stable 131Xe 21.232% stable 132Xe 26.909% stable 133Xe syn 5.247 d β− 133Cs 134Xe 10.436% stable 135Xe syn 9.14 h β− 135Cs 136Xe 8.857% 2.165×1021 y[9] β−β− 136Ba
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سرچينې

1. کينډۍ:Cite dictionary
2. "Xenon". Dictionary.com Unabridged. 2010. نه اخيستل شوی 2010-05-06.
3. Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)
4. "Xenon". Gas Encyclopedia. Air Liquide. 2009.
5. کينډۍ:RubberBible92nd
6. Hwang, Shuen-Cheng; Weltmer, William R. (2000). "Helium Group Gases". Kirk-Othmer Encyclopedia of Chemical Technology. Wiley. pp. 343–383. doi:10.1002/0471238961.0701190508230114.a01. ISBN 0-471-23896-1.
7. Magnetic susceptibility of the elements and inorganic compounds, in کينډۍ:RubberBible86th
8. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
9. Albert, J. B.; Auger, M.; Auty, D. J.; Barbeau, P. S.; Beauchamp, E.; Beck, D.; Belov, V.; Benitez-Medina, C.; Bonatt, J.; Breidenbach, M.; Brunner, T.; Burenkov, A.; Cao, G. F.; Chambers, C.; Chaves, J.; Cleveland, B.; Cook, S.; Craycraft, A.; Daniels, T.; Danilov, M.; Daugherty, S. J.; Davis, C. G.; Davis, J.; Devoe, R.; Delaquis, S.; Dobi, A.; Dolgolenko, A.; Dolinski, M. J.; Dunford, M.; et al. (2014). "Improved measurement of the 2νββ half-life of ¹³⁶Xe with the EXO-200 detector". Physical Review C. 89. doi:10.1103/PhysRevC.89.015502.

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