Platinum

Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, and highly unreactive metal. Platinum is known for its lustrous silver-white appearance and its resistance to corrosion.

Properties of Platinum

• Symbol: Pt
• Atomic number: 78
• Density: 21.45 g/cm³
• Melting point: 1,768°C
• Boiling point: 3,825°C
• Hardness: 4-4.5 (Mohs scale)

Uses of Platinum

Platinum has various industrial, medical, and jewelry-related uses:

• Used in catalytic converters to reduce harmful emissions from vehicles
• Utilized in laboratory equipment, electrical contacts, dentistry tools, and chemotherapy drugs
• Highly valued in jewelry for its durability and luster

Study Tips

When studying platinum, it's important to understand its properties, uses, and its significance in various industries. Here are some tips for studying platinum:

1. Memorize the chemical symbol (Pt) and atomic number (78) of platinum.
2. Understand the physical and chemical properties of platinum, such as density, melting point, and hardness.
3. Learn about the key uses of platinum in catalytic converters, jewelry, and industrial applications.
4. Explore the historical and cultural significance of platinum, including its role in ancient civilizations and modern society.
5. Practice identifying platinum in its natural state and in various products and applications.