Argon, 18 Ar Argon ᵒaŕgon· Pabaosan (AR -gon ) Cingakan gas tan mawarna, masunar tangi rikala kagenahang ring médan listrik Bobot atom standar A r, std (Ar) [7001397920000000000♠ 39.792 , 7001399630000000000♠ 39.963 ] konvénsional: 7001399500000000000♠ 39.95[ 1] Argon ring tabél périodik
Wilangan atom (Z ) 18 Watek golongan 18 (gas mulia) Période période 3 Blok blok-p Konpigurasi éléktron [Né ] 3s2 3p6 Éléktron per kulit 2, 8, 8 Cecirén pisik Pase ring STP gas Titik lebur 83.81 K (−189.34 °C, −308.81 °F) Titik didih 87.302 K (−185.848 °C, −302.526 °F) Kapadetan (ring STP) 1.784 g/L ri kala éncéh (ring t.d. ) 1.3954 g/cm3 Titik tripel 83.8058 K, 68.89 kPa[ 2] Titik kritis 150.687 K, 4.863 MPa[ 2] Panes fusi 1.18 kJ/mol Panes panguapan 6.53 kJ/mol Kapasitas panes molar 20.85[ 3] J/(mol·K) Tekanan uap
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
47
53
61
71
87
Cecirén atom Paindikan oksidasi 0 Kaéléktronégatipan skala Pauling: no data Wasa ionisasi ka-1: 1520.6 kJ/mol ka-2: 2665.8 kJ/mol ka-3: 3931 kJ/mol (malih ) Jeriji kovalén 106±10 pm Jeriji Van der Waals 188 pm Garis spéktral saking argonCecirén liyanan Rupa alami primordial Struktur kristal kubus mapusat muka (fcc) Kagelisan swara 323 m/s (gas, ring 27 °C) Konduktivitas térmal 17.72×10-3 W/(m⋅K) bacakan magnétik diamagnétik [ 4] Karentanan magnétik molar 3004804000000000000♠ −19.6× 10−6 cm3 /mol[ 5] Nomor CAS 7440-37-1 Lelintihan Panemuan miwah isolasi kapertamaLord Rayleigh miwah William Ramsay (1894)Isotop utama argon
Kategori:Argon | pustaka
Argon silih tunggil datu kimia antuk simbol Ar miwah wilangan atom 18. Ipun magenah sajeroning seka 18 saking tabél périodik miwah gas mulia .[ note 1]
↑ Ring vérsi sadurungné saking tabél périodik, gas mulia kauningin manados Watek VIIIA utawi dados Watek 0. Cingak Watek (tabél périodik) .
↑ "IUPAC Periodic Table of the Elements and Isotopes" . King's Center for Visualization in Science . IUPAC, King's Center for Visualization in Science. Kaaksés 8 October 2019 .
↑ 2,0 2,1 Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (édisi ka-92nd). Boca Raton, FL: CRC Press . p. 4.121. ISBN 1439855110 .
↑ 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 Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (édisi ka-86). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5 .
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics . Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4 .