Calcium is a metal in group IIA of the periodic table with atomic number 20, an atomic weight of 40.08, and a density of 1.55 Mg/m 3. Its melting point is 838 C, and it boils at 1440 C. The electronic ...
Calcium (Ca, atomic number 20) is an abundant alkaline earth metal which exists in living systems as Ca2+ ions. Mobilization of calcium stores within cells is important for physiological processes, ...
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