د ويکيپېډيا، وړیا پوهنغونډ له خوا
Argon, 18 Ar Vial containing a violet glowing gas Spectral lines of argon
Pronunciation / ˈ ɑr ɡ ɒ n / AR -gonAppearance colorless gas exhibiting a lilac/violet glow when placed in an electric field اټومي شمیره (Z ) 18 گروپ , پیریود group 18 (noble gases) , period 3 بلاک p-block Element category noble gas معياري اټومي وزن (A r ) کينډۍ:Val [۱] Electron configuration [Ne ] 3s2 3p6 Electrons per shell
2, 8, 8 حالت (at STP ) گاز دويلې کيدو ټکى 83.81 K (−189.34 °C, −308.81 °F) يشنا ټکی 87.302 K (−185.848 °C, −302.526 °F) کثافت (at STP) 1.784 g/L when liquid, at b.p. 1.3954 g/cm3 Triple point 83.8058 K, 68.89 kPa[۲] Critical point 150.687 K, 4.863 MPa[۲] Heat of fusion 1.18 kJ/mol Heat of vaporization 6.53 kJ/mol Molar heat capacity 20.85[۳] J/(mol·K) Vapor pressure
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
47
53
61
71
87
Oxidation states 0 Electronegativity Pauling scale: no data Ionization energies 1st: 1520.6 kJ/mol 2nd: 2665.8 kJ/mol 3rd: 3931 kJ/mol (more ) Covalent radius 106±10 pm Van der Waals radius 188 pm Crystal structure face-centered cubic (fcc)Face-centered cubic crystal structure for argon Speed of sound 323 m/s (gas, at 27 °C) د تودوخې تېرېدنه 17.72کينډۍ:E W/(m·K) Magnetic ordering diamagnetic [۴] Magnetic susceptibility (χ mol ) −19.6·10−6 cm3 /mol[۵] CAS Number 7440-37-1 Discovery and first isolationLord Rayleigh and William Ramsay (1894)
| references | in Wikidata
آرگون (په انگرېزي : Argon ) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Ar سمبول او ۱۸ اتمي شمېرې په وسیله ښودل شوی دی.
تاریخچه [ سمول ]
د استعمال ځایونه [ سمول ]
↑ 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 . https://www.degruyter.com/downloadpdf/j/pac.2016.88.issue-3/pac-2015-0305/pac-2015-0305.xml .
↑ ۲٫۰ ۲٫۱ کينډۍ:RubberBible92nd
↑ Shuen-Chen Hwang, Robert D. Lein, Daniel A. Morgan (2005). "Noble Gases". Kirk Othmer Encyclopedia of Chemical Technology. Wiley. pp. 343–383. doi:10.1002/0471238961.0701190508230114.a01.
↑ Magnetic susceptibility of the elements and inorganic compounds , in کينډۍ:RubberBible86th
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics . Boca Raton, Florida: Chemical Rubber Company Publishing. د کتاب پاڼي E110. د کتاب نړيواله کره شمېره 0-8493-0464-4 .
دا ليکنه نابشپړه ده، تاسې ددې ليکنې په بشپړولو کې د ويکيپېډيا سره مرسته کولای شئ.