Answer
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Step 1: Recall the basic categories of elements in the periodic table.
The three main categories of elements are metals, non-metals, and metalloids. Metals are generally located on the left side and the middle of the periodic table, while non-metals are usually found on the right side. Metalloids lie along the diagonal line separating metals from non-metals.
Step 2: Identify the location of calcium in the periodic table.
Calcium is located in Group 2 (the second column) of the periodic table, also known as the alkaline earth metals group.
Final Answer
Calcium is a metal.
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