Silver
Silver is a chemical element with the symbol Ag and atomic number 47. It is a lustrous, white, and ductile metal with a high electrical and thermal conductivity. Silver is commonly used in jewelry, currency, and in various industrial applications due to its desirable properties.
Physical and Chemical Properties:
- Atomic Symbol: Ag
- Atomic Number: 47
- Atomic Mass: 107.87 amu
- Physical State at Room Temperature: Solid
- Color: Lustrous, white
- Melting Point: 961.8°C
- Boiling Point: 2,162°C
- Density: 10.49 g/cm³
- Electrical Conductivity: High
- Thermal Conductivity: High
- Chemical Reactivity: Does not react with air, water, or mild acids but tarnishes in the presence of sulfur compounds
Uses of Silver:
Silver has been used for various purposes throughout history and is still widely utilized today. Some common uses of silver include:
- Jewelry and Silverware
- Currency (Coins and Bars)
- Electronics (Due to its high electrical conductivity)
- Photography (Silver compounds are used in film development)
- Medicine (Antibacterial properties)
- Industrial Applications (Catalysts, mirrors, etc.)
Study Guide:
To study silver effectively, consider the following key points:
- Understand the atomic structure of silver, including its atomic number and mass.
- Learn about the physical properties of silver, such as its melting and boiling points, density, and conductivity.
- Explore the uses of silver in various industries and everyday applications.
- Research the historical significance of silver and its cultural importance.
- Consider the environmental impact and sustainability aspects of silver mining and usage.
By mastering these aspects, you can gain a comprehensive understanding of silver as a chemical element and its significance in the world.
