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Give me the information of calcium atom
Accepted Answer
Calcium (Ca) is an alkaline earth metal with atomic number 20. It has 20 protons, 20 electrons, and 20 neutrons in its most common isotope. It is a reactive metal that readily forms compounds, especially with oxygen and halogens. Calcium plays a crucial role in biological systems, being essential for bone and tooth formation, muscle contraction, and nerve function.
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