What is Molybdenum?

Molybdenum, the forty-second element on the periodic table, is a silvery-gray transition metal. It's vital in industry and biology, strengthening steel and aiding life processes.

Atomic Number: 42

Symbol: Mo

Atomic Mass: 95.95 u

Category: Transition Metal

State at Room Temperature: Solid

Discovered By: Carl Wilhelm Scheele (1778)

⚛️ Atomic Structure of Molybdenum

Molybdenum has forty-two protons, fifty-four neutrons (in its most common isotope, Molybdenum-96), and forty-two electrons, with six in its outer shell.

  • 🟢 Protons: 42
  • 🔴 Neutrons: 54 (Most common isotope, Molybdenum-96)
  • 🟡 Electrons: 42

💡 Did you know? Molybdenum-99 is used to produce technetium-99m for medical imaging!

🔬 Molybdenum Properties

Molybdenum is hard, heat-resistant, and corrosion-resistant. It melts at 2623°C (4753°F), one of the highest melting points among elements.

🧪 How Was Molybdenum Discovered?

In 1778, Swedish chemist Carl Wilhelm Scheele identified Molybdenum in molybdenite ore. It was isolated in 1781 by Peter Jacob Hjelm.

⚡ Uses of Molybdenum

  • 🏗️ Steel Alloys: Strengthens tools and engines.
  • 🌱 Biology: Essential in enzymes for plants and animals.
  • 🏭 Industry: Catalysts in oil refining.
  • 💡 Electronics: Electrodes and filaments.

💡 Fun Facts About Molybdenum

  • 🇬🇷 Named from Greek "molybdos," meaning "lead".
  • 🔩 Boosts steel's strength at high temperatures.
  • 🌍 Mined heavily in China and the U.S.
  • 🧬 Critical for nitrogen fixation in plants.

⚠️ Safety & Precautions

Molybdenum is non-toxic in solid form but dust can irritate eyes and lungs. Handle powders with care in ventilated areas.

🔬 Explore More Elements