Vanadium

Symbol: V
Atomic number: 23
Category: transition metals
Group: 5
Period: 4
Block: d
Atomic weight: 50.9415 g/mol
Electrons per shell: 2, 8, 11, 2
CAS number: 7440-62-2
Phase: solid
Density: 6.0 kg/l (near room temperature)
Melting point: 2183 K (1910C, 3470F)
Boiling point: 3680 K (3407C, 6165F)
Crystal structure: cubic body centered
Oxidation states: 5, 4, 3, 2, 1
Electronegativity: 1.63 (Pauling scale)
Name's origin: Vanadis
Name's meaning: a goddess in Scandinavian mythology, because the element has beautiful multicolored chemical compounds
Facts:
- naturally occurs in about 65 different minerals and is used mainly to produce certain alloys
- is one of the 26 elements found in most living organisms
- powdered metallic vanadium is a fire hazard, and unless known otherwise, all vanadium compounds should be considered highly toxic
- the exposure level of vanadium which is likely to cause permanent health damage or death is 35 mg/m3