VANADIUMSherrod McAllister

11/11/10TECH 5TH

element of vanadiumComprehensive 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 vanadiumAtomic Number:23 Group: 5 Period: 4 Series: Transition Metals

atomic structure of vanadiumAtomic 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 VanadiumElectrochemical 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 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:

Bulk: 158/GPa Rigidity: 46.7/GPa 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

Brinell: 628 MN m-2 Mohs: 7 Vickers: 628 MN m-2

Heat of Vaporization: 0.452kJ/mol Melting Point: 2175K 1902°C 3456°F

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

Regulatory / Health CAS Number

7440-62-2 OSHA Permissible Exposure Limit (PEL)

No limits set by OSHA OSHA PEL Vacated 1989

No limits set by OSHA NIOSH Recommended Exposure Limit (REL)

No limits set by NIOSH Routes of Exposure: Inhalation; Ingestion; Skin and/or eye contact

Target Organs: Skin, respiratory system

Levels In Humans:Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.

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 vanadiumpure vanadium is a greyish silvery metal, and

is soft and ductile.

symbols of vanadium

isolation of vanadiumVanadium is available commercially and

production of a sample in the laboratory is not normally required

number of vanadium

5