Copper

Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. It is commonly used in various applications due to its desirable properties.

Properties of Copper

• Atomic number: 29
• Symbol: Cu
• Atomic weight: 63.55
• Physical state at room temperature: Solid
• Color: Reddish-orange
• Odor: Odorless
• Melting point: 1084.62°C
• Boiling point: 2562°C
• Density: 8.96 g/cm³
• Electrical conductivity: High
• Thermal conductivity: High
• Ductility: High

Uses of Copper

Copper has been used by humans for thousands of years and has a wide range of applications, including:

1. Electrical wiring
2. Plumbing and piping
3. Construction materials
4. Cookware and kitchen utensils
5. Coins and currency
6. Jewelry and decorative items
7. Electronics, including circuit boards and semiconductors
8. Antimicrobial surfaces and materials

Study Guide

Here are some key points to remember about copper:

1. Copper is a metal with high thermal and electrical conductivity.
2. It has a reddish-orange color and is often used in electrical wiring and plumbing due to its conductivity and corrosion resistance.
3. Copper has been used by humans for thousands of years and has a wide range of applications in modern society.
4. It is an essential trace element for humans and plays a role in various physiological processes.
5. When exposed to air, copper develops a greenish patina, which is a protective layer that prevents further corrosion.

Remember to study the properties, uses, and significance of copper for a comprehensive understanding of this important element.