⚛️ Atomic Structure of Cobalt
Cobalt has twenty-seven protons, thirty-two neutrons (in its only stable isotope, Cobalt-59), and twenty-seven electrons, with nine in its outer shell.
- 🟢 Protons: 27
- 🔴 Neutrons: 32 (Stable isotope, Cobalt-59)
- 🟡 Electrons: 27
💡 Did you know? Cobalt-60, a radioactive isotope, is used in cancer radiation therapy!
🔬 Cobalt Properties
Cobalt is hard, magnetic (ferromagnetic), and corrosion-resistant. It has a high melting point (1495°C / 2723°F) and retains magnetism at high temperatures.
🧪 How Was Cobalt Discovered?
In 1735, Swedish chemist Georg Brandt isolated Cobalt from ores, distinguishing it from bismuth and proving it was a new element responsible for blue pigments.
⚡ Uses of Cobalt
- 🔋 Batteries: Lithium-ion batteries for electronics and EVs.
- 🏭 Alloys: Superalloys for jet engines and cutting tools.
- 🎨 Pigments: Blue hues in glass, ceramics, and paints.
- 🩺 Medicine: Radiation therapy and sterilization equipment.
💡 Fun Facts About Cobalt
- 🌍 Mined heavily in the Congo, a global supply hub.
- 🔵 Gives glass and pottery a deep blue color.
- 🧬 Essential trace element in vitamin B12.
- 📜 Named from German "kobold," meaning "goblin" (due to mining myths).
⚠️ Safety & Precautions
Cobalt is non-toxic in solid form, but its dust or fumes can irritate lungs and skin. Prolonged exposure to cobalt compounds may pose health risks.