Silver is a chemical element with the symbol Ag and atomic number 47. It is a lustrous, white, and shiny metal that has been used for various purposes for thousands of years.
Physical Properties of Silver
Color: Silver is known for its shiny, metallic white color.
Luster: It has a bright, shiny luster when polished.
Silver has been used for a wide range of applications, including:
Jewelry and decorative items
Coins and currency
Electronics, including conductive coatings and soldering
Photography, in the form of silver-based film and paper
Medical applications, such as in silver-based antiseptics
Environmental Impact
Silver mining and processing can have environmental impacts, including habitat destruction, soil and waterpollution, and the use of large amounts of water and energy. Recycling silver from electronic waste and other sources can help mitigate these impacts.
From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can:
Construct a scientific explanation based on evidence for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.