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Vanadium

Vanadium, 23V
Vanadium
pāndaniyum·
Pabaosan/vəˈndiəm/ (və-NAY-dee-əm)
Cingakanlogam pelung-pérak-klau
Bobot atom standar Ar, std(V)50.9415(1)[1]
Vanadium 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


V

Nb
titaniumvanadiumkromium
Wilangan atom (Z)23
Watekgolongan 5
Périodepériode 4
Blok  blok-d
Konpigurasi éléktron[Ar] 3d3 4s2
Éléktron per kulit2, 8, 11, 2
Cecirén pisik
Pase ring STPpadet
Titik lebur2183 K ​(1910 °C, ​3470 °F)
Titik didih3680 K ​(3407 °C, ​6165 °F)
Kapadetan (nampek s.r.)6.11 g/cm3
ri kala éncéh (ring t.l.)5.5 g/cm3
Panes fusi21.5 kJ/mol
Panes panguapan444 kJ/mol
Kapasitas panes molar24.89 J/(mol·K)
Tekanan uap
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2101 2289 2523 2814 3187 3679
Cecirén atom
Paindikan oksidasi−3, −1, 0, +1, +2, +3, +4, +5 (oksida ampotér)
Kaéléktronégatipanskala Pauling: 1.63
Wasa ionisasi
  • ka-1: 650.9 kJ/mol
  • ka-2: 1414 kJ/mol
  • ka-3: 2830 kJ/mol
  • (malih)
Jeriji atomémpiris: 134 pm
Jeriji kovalén153±8 pm
Garis warna ring pentang spéktrum
Garis spéktral saking vanadium
Cecirén liyanan
Rupa alamiprimordial
Struktur kristal ​kubus mapusat badan (bcc)
Body-centered cubic crystal structure for vanadium
Kagelisan swara pales tipis4560 m/s (ring 20 °C)
Ékspansi térmal8.4 µm/(m⋅K) (ring 25 °C)
Konduktivitas térmal30.7 W/(m⋅K)
Resistivitas listrik197 nΩ⋅m (ring 20 °C)
bacakan magnétikparamagnétik
Karentanan magnétik molar+255.0×10−6 cm3/mol (298 K)[2]
Modulus Young128 GPa
Modulus Shear47 GPa
Modulus Bulk160 GPa
Rasio Poisson0.37
Kakatosan Mohs6.7
Kakatosan Vickers628–640 MPa
Kakatosan Brinell600–742 MPa
Nomor CAS7440-62-2
Lelintihan
PanemuanNils Gabriel Sefström (1830)
Isolasi kapertamaHenry Enfield Roscoe (1867)
Kaaranin olihNils Gabriel Sefström (1830)
Isotop utama vanadium
Iso­top Kalimpahan Paruh-idup (t1/2) Mode paluruhan Pro­duk
48V syn 16 d β+ 48Ti
49V syn 330 d ε 49Ti
50V 0.25% 1.5×1017 y ε 50Ti
β 50Cr
51V 99.75% tegteg
Kategori:Vanadium
| pustaka

Vanadium silih tunggil datu kimia antuk simbol V miwah wilangan atom 23. Punika logam transisi katos, klau masawang pérak, kalis. Datu logam kapah katemuin ring palemahan, menawi sesampun kaisolasi sacara karyanan, pawentukan lapisan oksida (pasivasi) akedik negtegang logam bébas majeng oksidasi luwih lantur.

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. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

Pranala jaba

[uah | uah wit]


Vidéo
  • Vanadium at The Periodic Table of Videos (University of Nottingham)
Makalah panelitian
  • [permanent dead link] National Instrument Vanadium Technical Report[permanent dead link] Vanadium recovery methods
  • ATSDR – ToxFAQs: Vanadium
  • Vanadium concentration in seawater and estuary environments is around 1.5-3.3 ug/kg [1].
  • Vanadium speciation and cycling in coastal waters [2]
  • Ocean anoxia and the concentrations of Molybdenum and Vanadium in seawater [3]
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Vanadium
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