A. What is the chemical symbol of calcium (Ca) derived from?
B. Name one more element whose symbol is derived in a manner similar to that of calcium.
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A. Calcium (Ca), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is the most abundant metallic element in the human body and the fifth most abundant element in Earth's crust.
Atomic number: 20
Atomic weight: 40.078
B.
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