🔹 Basic Information

• Element Name: Rhenium
• Discovered By: Walter Noddack, Ida Tacke, and Otto Berg
• Year of Discovery: 1925
• Category: Transition Metal
• Group: 7
• State at Room Temperature: Solid (silvery-white metal) ⚙️

Rhenium is one of the rarest metals and is prized for its high melting point and strength.

🔸 Chemical Properties

• Chemical Symbol: Re
• Atomic Number: 75
• Atomic Mass: ~186.21 u
• Valency: +7, +6, +4, +2
• Electronic Configuration: [Xe] 4f¹⁴ 5d⁵ 6s²

Rhenium is very resistant to heat and corrosion, making it ideal for tough environments.

📘 Basic Things to Know

Rhenium has one of the highest melting points of all elements (around 3186°C) and is super strong, so it’s used in engines and electrical contacts.

🤔 Interesting Facts

• Rhenium is one of the rarest elements in Earth’s crust.
• It has the third highest melting point after tungsten and carbon! 🔥
• Used in jet engine parts because it withstands extreme heat. ✈️
• Rhenium catalysts help in refining petroleum into gasoline. ⛽
• It’s also used in filaments for mass spectrometers and other scientific instruments. 🔬

🔧 Common Uses

• Jet Engines & Turbines: For parts that must handle very high temperatures. ✈️⚙️
• Catalysts: Helps in petroleum refining and chemical reactions. 🛢️🧪
• Electrical Contacts & Filaments: In devices that need durability and heat resistance. ⚡
• Thermocouples: Sensors that measure temperature in very hot environments. 🌡️

📚 Conclusion

Rhenium is a rare and incredibly heat-resistant metal that powers modern aviation and industry. For students, it shows how some elements are key to pushing technology to extreme limits! 🚀🔥