Homonym: Cd (Compact Disc)
Cd, or cadmium, is a chemical element with the symbol Cd and atomic number 48. It is a soft, bluish-white metal that is part of the transition metals group in the periodic table. Cadmium is known for its malleability and resistance to corrosion, making it useful in various applications, including batteries, coatings, and pigments.
Cadmium is primarily obtained from zinc ores and is often found in the same deposits as zinc and lead. While it has industrial uses, cadmium is toxic and poses health risks, particularly when inhaled or ingested. Therefore, its use is regulated in many countries to protect human health and the environment.