What is Platinum?

Platinum, the seventy-eighth element on the periodic table, is a lustrous, silvery-white transition metal. It's prized for beauty and utility alike.

Atomic Number: 78

Symbol: Pt

Atomic Mass: 195.08 u

Category: Transition Metal

State at Room Temperature: Solid

Discovered By: Antonio de Ulloa (1735, documented)

⚛️ Atomic Structure of Platinum

Platinum has seventy-eight protons, one hundred seventeen neutrons (in its most common isotope, Platinum-195), and seventy-eight electrons, with ten in its outer shell.

  • 🟢 Protons: 78
  • 🔴 Neutrons: 117 (Most common isotope, Platinum-195)
  • 🟡 Electrons: 78

💡 Did you know? Platinum cleans car exhausts in catalytic converters!

🔬 Platinum Properties

Platinum is ductile, malleable, and corrosion-resistant. It melts at 1768°C (3214°F), is dense, and shines with a lasting luster.

🧪 How Was Platinum Discovered?

In 1735, Spanish explorer Antonio de Ulloa documented Platinum in South America, though indigenous peoples used it earlier. Its name comes from "platina," Spanish for "little silver."

⚡ Uses of Platinum

  • 💍 Jewelry: Rings and necklaces.
  • 🚗 Catalysts: Car exhaust systems.
  • 🔬 Labware: Corrosion-proof tools.
  • 💻 Tech: Hard disk coatings.

💡 Fun Facts About Platinum

  • 🌟 Rarer than gold.
  • 🚘 Purifies emissions.
  • 💎 Hypoallergenic shine.
  • 🏆 Nobel medals.

⚠️ Safety & Precautions

Platinum is stable but flammable as powder. It's low-toxicity; handle with gloves, avoid dust inhalation, and store safely.

🔬 Explore More Elements