 |
General |
Name | (Vanadium) |
Symbol | (V) |
Number | (23) |
Group Number | (5) |
Group | (Transition metals) |
Block | (d) |
Density | (5.8 g/cm3) |
Atomic Weight | (50.9415 g/mol) |
Atomic Volume | (8.78 cm3/mol) |
Discover | (1830) |
|
States |
State | (Solid) |
Melting Point | (2183 K) |
Boiling Point | (1910 K) |
Triple Point | (Nil) |
Critical Point | (Nil) |
Heat of Fusion | (21.5 kJ/mol) |
Heat of Vaporization | (459 kJ/mol) |
|
Energies |
First Ionization Energy | (650.3 kJ/mole) |
Second Ionization Energy | (1413.5 kJ/mole) |
Third Ionization Energy | (2828 kJ/mole) |
Electronegativity | (1.63) |
Electron Affinity | (50.7 kJ/mole) |
Specific Heat | (0.49 J/gK) |
Heat Atomization | (514 kJ/mole atoms) |
|
Oxidation and Electrons |
Shells | (2,8,11,2) |
Electron Configuration | ([Ar] 3d3 4s2) |
Minimum Oxidation Number | (-1) |
Maximum Oxidation Number | (5) |
Minimum Common Oxidation Number | (0) |
Maximum Common Oxidation Number | (5) |
|
Appearance and Characteristics |
Crystal Structure | (cubic body centered) |
Characteristics | (soft) |
Color | (bright white) |
Uses | (tool steel, V2O5 catalyst) |
Hardness | (mohs) |
Toxicity | (Yes) |
|
Reactions |
Reaction with Air | (mild, w/ht =>V2O5, VN) |
Reaction with 6M HCl | (None) |
Reaction with 15M HNO3 | (mild) |
Reaction with 6M NaOH | (None) |
|
Other Forms |
Number of Isotopes | (2) |
Hydride | (VH VH2) |
Oxide | (VO V2O3 VO2 V2O5) |
Chloride | (VCl2 VCl3 VCl4) |
|
Radius |
Atomic Radius | (134 pm) |
Ionic Radius (1+ ion) | (Nil) |
Ionic Radius (1- ion) | (Nil) |
Ionic Radius (2+ ion) | (93 pm) |
Ionic Radius (2- ion) | (Nil) |
Ionic Radius (3+ ion) | (78 pm) |
|
Conductivity |
Thermal Conductivity | (30.7 J/m-sec-deg) |
Electrical Conductivity | (39.37 1/mohm-cm) |
Polarizability | (12.4 A3) |
|
Abundance |
Source | (U, Pb vanadates (misc)) |
Relation Abundance Solar System | (2.467 log) |
Abundance Earths Crust | (2.1 log) |
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