Vanadium

Vanadium, ₂₃V
Vanadium; pāndaniyum·
Pabaosan	/vəˈneɪdiəm/ (və-NAY-dee-əm)
Cingakan	logam pelung-pérak-klau
Bobot atom standar Ar, std(V)	50.9415(1)
Vanadium ring tabél périodik
	titanium ← vanadium → kromium
Wilangan atom (Z)	23
Watek	golongan 5
Période	période 4
Blok	blok-d
Konpigurasi éléktron	[Ar] 3d3 4s2
Éléktron per kulit	2, 8, 11, 2
Cecirén pisik
Pase ring STP	padet
Titik lebur	2183 K (1910 °C, 3470 °F)
Titik didih	3680 K (3407 °C, 6165 °F)
Kapadetan (nampek s.r.)	6.11 g/cm3
ri kala éncéh (ring t.l.)	5.5 g/cm3
Panes fusi	21.5 kJ/mol
Panes panguapan	444 kJ/mol
Kapasitas panes molar	24.89 J/(mol·K)
Cecirén atom
Paindikan oksidasi	−3, −1, 0, +1, +2, +3, +4, +5 (oksida ampotér)
Kaéléktronégatipan	skala Pauling: 1.63
Wasa ionisasi	ka-1: 650.9 kJ/mol ; ka-2: 1414 kJ/mol ; ka-3: 2830 kJ/mol ; (malih) ;
Jeriji atom	émpiris: 134 pm
Jeriji kovalén	153±8 pm
	Garis spéktral saking vanadium
Cecirén liyanan
Rupa alami	primordial
Struktur kristal	kubus mapusat badan (bcc)
Kagelisan swara pales tipis	4560 m/s (ring 20 °C)
Ékspansi térmal	8.4 µm/(m⋅K) (ring 25 °C)
Konduktivitas térmal	30.7 W/(m⋅K)
Resistivitas listrik	197 nΩ⋅m (ring 20 °C)
bacakan magnétik	paramagnétik
Karentanan magnétik molar	+255.0×10−6 cm3/mol (298 K)
Modulus Young	128 GPa
Modulus Shear	47 GPa
Modulus Bulk	160 GPa
Rasio Poisson	0.37
Kakatosan Mohs	6.7
Kakatosan Vickers	628–640 MPa
Kakatosan Brinell	600–742 MPa
Nomor CAS	7440-62-2
Lelintihan
Panemuan	Nils Gabriel Sefström (1830)
Isolasi kapertama	Henry Enfield Roscoe (1867)
Kaaranin olih	Nils Gabriel Sefström (1830)
Isotop utama vanadium
β−	50Cr
	Kategori:Vanadium; cingak; pabligbagan; uah; \| 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

↑ 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.
↑ 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

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]

[CIAAW2013-1] 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.

[1]

[2]