calcium symbol

Thu, 30 Apr 2026 12:42:57 +0000

Understanding the Calcium Symbol: Meaning, Importance, and Uses in Science and Nutrition The calcium symbol, Ca (from the Latin word calcium), is one of the most recognizable elements in the periodic table. As the fifth most abundant element in the human body and a critical component of bones and teeth, calcium plays an indispensable role in both biology and chemistry. Whether you're exploring nutrition, health, or scientific applications, understanding the calcium symbol (Ca) helps unlock key insights into physiology, dietary needs, and industrial uses. ### What Is the Calcium Symbol (Ca)? The calcium symbol Ca represents the element calcium, with an atomic number of 20. It sits in Group 2 (alkaline earth metals) of Periodic Table, indicating its chemical behavior. Calcium is a shiny, silvery-white metal at room temperature but oxidizes rapidly in air, forming a dull, protective coat. Despite its reactivity, calcium is vital in biological systems and widely used in construction, manufacturing, and food industries. ### Biological Significance of Calcium Calcium’s most celebrated role is in the formation and maintenance of bones and teeth. Approximately 99% of the body’s calcium is stored in bones, providing structure and strength. The remaining calcium circulates in blood and extracellular fluids, where it regulates critical processes like nerve conduction, muscle contraction, and enzyme function.