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Silver (Ag), with atomic number 47, is a precious metal known for its distinctive lustrous white color, high reflectivity, and excellent electrical and thermal conductivity. It’s more abundant than gold and platinum, making it more accessible yet still highly valued for a variety of applications.
Physical Characteristics
- Appearance: Lustrous, white metal.
- Conductivity: The best electrical and thermal conductor of all metals, making it invaluable in electronics.
- Malleability and Ductility: Extremely malleable and ductile, it can be shaped into thin sheets or drawn into fine wire.
- Melting Point: About 961.8°C (1,763.2°F).
- Boiling Point: Approximately 2,162°C (3,924°F).
- Density: Approximately 10.49 grams per cubic centimeter at room temperature.
Applications
Its main application is in electronics, for contacts and conductors, due to its unparalleled conductivity. Silver is also valued in jewelry, silverware, and photography.
Compounds
Key compounds include Silver Nitrate (AgNO₃), used in medical and photographic fields; Silver Chloride (AgCl), for photographic emulsions and antiseptic agents; and Silver Sulfide (Ag₂S), in conductive and photosensitive materials. These compounds highlight silver’s versatility in industrial, medical, and photographic applications.