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Gallium

Gallium, 31Ga
Gallium
galiyum·
Pabaosan/ˈɡæliəm/ (GAL-ee-əm)
Cingakanpelung pérak
Bobot atom standar Ar, std(Ga)69.723(1)[1]
Gallium ring tabél périodik
Hidrogén Hélium
Litium Bérilium Boron Karbon Nitrogén Oksigén Fluorin Néon
Natrium Magnésium Aluminium Silikon Phosfor Urirang Klorin Argon
Potasium Kalsium Skandium Titanium Vanadium Kromium Mangan (datu) Wesi Kobalt Nikel Temaga Séng Gallium Gérmanium Arsenik Sélénium Brom Kripton
Rubidium Strontium Ittrium Zirkonium Niobium Molibdénum Téknésium Ruthénium Rhodium Palladium Pérak Kadmium Indium Timah Antimoni Téllurium Yodium Xénon
Sésium Barium Lanthanum Sérium Praséodimium Néodimium Prométhium Samarium Éuropium Gadolinium Terbium Disprosium Holmium Érbium Thulium Itterbium Lutésium Hafnium Tantalum Tungstén Rhénium Osmium Iridium Platinum Mas Rasa (datu) Thallium Timbal Bismuth Polonium Astatin Radon
Fransium Radium Aktinium Thorium Protaktinium Uranium Néptunium Plutonium Amérisium Curium Berkélium Kalifornium Éinsteinium Fermium Méndelevium Nobélium Lawrénsium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnérium Darmstadtium Roéntgénium Kopernikium Nihonium Flérovium Moskovium Livermorium Ténnessin Oganésson
Al

Ga

In
sénggalliumgérmanium
Wilangan atom (Z)31
Watekgolongan 13 (golongan boron)
Périodepériode 4
Blok  blok-p
Konpigurasi éléktron[Ar] 3d10 4s2 4p1
Éléktron per kulit2, 8, 18, 3
Cecirén pisik
Pase ring STPpadet
Titik lebur302.9146 K ​(29.7646 °C, ​85.5763 °F)
Titik didih2673 K ​(2400 °C, ​4352 °F)[2]
Kapadetan (nampek s.r.)5.91 g/cm3
ri kala éncéh (ring t.l.)6.095 g/cm3
Panes fusi5.59 kJ/mol
Panes panguapan256 kJ/mol[2]
Kapasitas panes molar25.86 J/(mol·K)
Tekanan uap
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1310 1448 1620 1838 2125 2518
Cecirén atom
Paindikan oksidasi−5, −4, −3,[3] −2, −1, 0, +1, +2, +3[4] (oksida ampotér)
Kaéléktronégatipanskala Pauling: 1.81
Wasa ionisasi
  • ka-1: 578.8 kJ/mol
  • ka-2: 1979.3 kJ/mol
  • ka-3: 2963 kJ/mol
  • (malih)
Jeriji atomémpiris: 135 pm
Jeriji kovalén122±3 pm
Jeriji Van der Waals187 pm
Garis warna ring pentang spéktrum
Garis spéktral saking gallium
Cecirén liyanan
Rupa alamiprimordial
Struktur kristal ​ortorombus
Orthorhombic crystal structure for gallium
Kagelisan swara pales tipis2740 m/s (ring 20 °C)
Ékspansi térmal18 µm/(m⋅K) (ring 25 °C)
Konduktivitas térmal40.6 W/(m⋅K)
Resistivitas listrik270 nΩ⋅m (ring 20 °C)
bacakan magnétikdiamagnétik
Karentanan magnétik molar−21.6×10−6 cm3/mol (ring 290 K)[5]
Modulus Young9.8 GPa
Rasio Poisson0.47
Kakatosan Mohs1.5
Kakatosan Brinell56.8–68.7 MPa
Nomor CAS7440-55-3
Lelintihan
Pangarananmawit Gallia (Latin antuk: Prancis), umah genah pacundukan
PancawanganDmitri Mendeleev (1871)
Panemuan miwah isolasi kapertamaLecoq de Boisbaudran (1875)
Isotop utama gallium
Iso­top Kalimpahan Paruh-idup (t1/2) Mode paluruhan Pro­duk
66Ga syn 9.5 h β+ 66Zn
67Ga syn 3.3 d ε 67Zn
68Ga syn 1.2 h β+ 68Zn
69Ga 60.11% tegteg
70Ga syn 21 min β 70
ε 70Zn
71Ga 39.89% tegteg
72Ga syn 14.1 h β 72
73Ga syn 4.9 h β 73
Kategori:Gallium
| pustaka

Gallium silih tunggil datu kimia antuk simbol Ga miwah wilangan atom 31. Datu gallium punika logam sané kalis miwah mawarna kapérakan ring suhu miwah tekanan standar; Manawi ring rupa éncéh nyané manados putih masawang pérak. Pinaka kaakéhan wasa kaicain, galium prasida lung konkoidali. Punika magenah ring seka 13 saking tabél périodik, miwah punika cecirén ipun sekadi logam liyanan saking waték punika, aluminium, indium, miwah thallium.

Pustaka

[uah | uah wit]
  1. Méija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. 2,0 2,1 Zhang Y; Evans JRG; Zhang S (2011). "Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks". J. Chem. Eng. Data. 56 (2): 328–337. doi:10.1021/je1011086.
  3. Ga(−3) has been observed in LaGa, see Dürr, Ines; Bauer, Britta; Röhr, Caroline (2011). "Lanthan-Triel/Tetrel-ide La(Al,Ga)x(Si,Ge)1-x. Experimentelle und theoretische Studien zur Stabilität intermetallischer 1:1-Phasen" (PDF). Z. Naturforsch. (ring Jerman). 66b: 1107–1121.
  4. Hofmann, Patrick (1997). Colture. Ein Programm zur interaktiven Visualisierung von Festkörperstrukturen sowie Synthese, Struktur und Eigenschaften von binären und ternären Alkali- und Erdalkalimetallgalliden (PDF) (Thesis) (ring Jerman). PhD Thesis, ETH Zurich. p. 72. doi:10.3929/ethz-a-001859893. hdl:20.500.11850/143357. ISBN 978-3728125972.
  5. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
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Gallium
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