Molybdenum

Basic Information Crystal Structure Isotope Facts Related Links


Basic Data

Symbol: Mo
Atomic Number: 42
Atomic weight: 95.94u
Melting Point: 2890K
Boiling Point: 4912K
Number of Protons/Electrons: 42
Number of Neutrons: 54
Classification: Transition Metal
Crystal Structure: Body Centered Cubic
Density at 293 K: 10.2g/mL
Color: Silverish
Bonding radius: 1.3A
Atomic radius: 2.01A
Ionization Potential: 7.099V
Electronegativity: 2.16
Heat of vaporization: 598kJ/mol
Heat of fusion: 32kJ/mol
Specific heat: 0.25J/gK
Electron configuration: [Kr]4d55s1



Crystal Structure


Isotopes

Isotope Half Life
Mo91 15.5 minutes
Mo91 Stable
Mo91 3500years
Mo91 Stable
Mo91 Stable
Mo91 Stable
Mo91 Stable
Mo91 Stable
Mo91 2.74 days
Mo91 Stable
Mo91 14.6 minutes


Facts

Date of Discovery: 1778
Discoverer: Carl Wilhelm Scheele
Uses: aircraft, missiles
Obtained From: molybdenite, wulfenite


Related Links