Sherrod McAllister
11/11/10
TECH 5TH
element of vanadium
 Comprehensive data on the chemical element
Vanadium is provided on this page; including scores of
properties, element names in many languages, most
known nuclides of Vanadium
overview of vanadium
 Atomic Number:23
 Group: 5
 Period: 4
 Series: Transition Metals
atomic structure of vanadium
 Atomic Radius: 1.92Å
 Atomic Volume: 8.78cm3/mol
 Covalent Radius: 1.22Å
 Cross Section (Thermal Neutron Capture) σa/barns:
5.08
 Crystal Structure: Cubic body centered
Chemical Properties of Vanadium
 Electrochemical Equivalent: 0.38013g/amp-hr
 Electron Work Function: 4.3eV
 Electronegativity: 1.63 (Pauling); 1.85 (Allrod
Rochow)
 Heat of Fusion: 20.9kJ/mol
 Incompatibilities: Strong oxidizers, ammonium
nitrate
Physical Properties of Vanadium
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Atomic Mass Average: 50.9415
Boiling Point: 3682K 3409°C 6168°F
Coefficient of lineal thermal expansion/K-1: 8.3E-6
Conductivity Electrical: 0.0489 106/cm Ω
Thermal: 0.307 W/cmK
Density: 6.11g/cc @ 300K
Description: Silvery-white metal.
Elastic Modulus:
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Bulk: 158/GPa
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Rigidity: 46.7/GPa
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Youngs: 127.6/GPa
Enthalpy of Atomization: 514.6 kJ/mole @ 25°C
Enthalpy of Fusion: 17.57 kJ/mole
Enthalpy of Vaporization: 458.6 kJ/mole
Flammablity Class: Non-combustible solid (except as dust)
Freezing Point: see melting point
Hardness Scale
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Brinell: 628 MN m-2
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Mohs: 7
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Vickers: 628 MN m-2
Heat of Vaporization: 0.452kJ/mol
Melting Point: 2175K 1902°C 3456°F
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Molar Volume: 8.55 cm3/mole
Optical Reflectivity: 61%
Physical State (at 20°C & 1atm): Solid
Specific Heat: 0.49J/gK
Vapor Pressure = 3.06Pa@1902°C
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Regulatory / Health
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CAS Number
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7440-62-2
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OSHA Permissible Exposure Limit (PEL)
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OSHA PEL Vacated 1989
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NIOSH Recommended Exposure Limit (REL)
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Routes of Exposure: Inhalation; Ingestion; Skin and/or eye contact
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Target Organs: Skin, respiratory system
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Levels In Humans:
Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent
recommended daily allowances.
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No limits set by OSHA
No limits set by OSHA
No limits set by NIOSH
Blood/mg dm-3: <0.0002
Bone/p.p.m: 0.0035
Liver/p.p.m: 0.006
Muscle/p.p.m: 0.02
Daily Dietary Intake: 0.04 mg
Total Mass In Avg. 70kg human: 0.11 mg
Discovery Year: 1801
Name Origin: From Vanadis a Scandinavian goddess.
facts of vanadium
 pure vanadium is a greyish silvery metal, and is soft
and ductile.
symbols of vanadium
isolation of vanadium
 Vanadium is available commercially and production of
a sample in the laboratory is not normally required
number of vanadium
5