Molybdenum (Mo) Properties and Facts

Element 42 - Transition Metal

What are the basic properties of Molybdenum?

Molybdenum (symbol: Mo) is a transition metal with atomic number 42. Its atomic mass is 95.95 u, and it belongs to period 5 and group 6.

What is the electron configuration of Molybdenum?

The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d⁵ 5s¹

What are the physical properties of Molybdenum?

Melting point: 2896.0 K
Boiling point: 4912.0 K
Density: 10.28 g/cm³

What are the known isotopes of Molybdenum?

  • Mo-92: 14.84% abundance
  • Mo-94: 9.25% abundance
  • Mo-95: 15.92% abundance
  • Mo-96: 16.68% abundance
  • Mo-97: 9.55% abundance
  • Mo-98: 24.13% abundance
  • Mo-100: 9.63% abundance

What is the biological role and occurrence of Molybdenum?

Biological role: Essential trace element for most organisms
Natural occurrence: Found in molybdenite ore

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