Vanadyo

Vanadium
23V
- ↑ V ↓ Nb Periodic table titanium ← vanadium → chromium
Appearance
blue-silver-grey metal
General properties
Name, simbolo, kaiphan	vanadium, V, 23
Pronunciation	Plantilya:IPAc-en Plantilya:Respell
Element category	puthaw nga transisyon
Group, period, block	5, 4, d
Standard atomic weight	50.9415(1)
Electron configuration	[Ar] 3d3 4s2 2, 8, 11, 2
History
Discovery	Andrés Manuel del Río (1801)
First isolation	Nils Gabriel Sefström (1830)
Named by	Nils Gabriel Sefström (1830)
Physical properties
Phase	magahi
Density (near r.t.)	6.0 g·cm−3
Liquid density at m.p.	5.5 g·cm−3
Melting point	2183 K, 1910 °C, 3470 °F
Boiling point	3680 K, 3407 °C, 6165 °F
Heat of fusion	21.5 kJ·mol−1
Heat of vaporization	459 kJ·mol−1
Molar heat capacity	24.89 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 2101 2289 2523 2814 3187 3679
Atomic properties
Oxidation states	5, 4, 3, 2, 1, -1 (amphoteric oxide)
Electronegativity	1.63 (Pauling scale)
Ionization energies (more)	1st: 650.9 kJ·mol−1
	2nd: 1414 kJ·mol−1
	3rd: 2830 kJ·mol−1
Atomic radius	134 pm
Covalent radius	153±8 pm
Miscellanea
Crystal structure	body-centered cubic
Magnetic ordering	paramagnetic
Electrical resistivity	(20 °C) 197 nΩ·m
Thermal conductivity	30.7 W·m−1·K−1
Thermal expansion	(25 °C) 8.4 µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 4560 m·s−1
Young's modulus	128 GPa
Shear modulus	47 GPa
Bulk modulus	160 GPa
Poisson ratio	0.37
Mohs hardness	6.7
CAS registry number	7440-62-2
Most stable isotopes
Main article: Isotopes of vanadium
iso NA half-life DM DE (MeV) DP 48V syn 15.9735 d β+ 4.0123 48Ti 49V syn 330 d ε 0.6019 49Ti 50V 0.25% 1.5×1017y ε 2.2083 50Ti β− 1.0369 50Cr 51V 99.75% 51V is stable with 28 neutrons

Ang vanadyo (Iningles vanadium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga V ug kaiphan nga atomik 23. Ang vanadyo mao ang puthaw nga transisyon.

Galeriya sa hulagway

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