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Calcium is a metal. It is an alkaline earth metal. Calcium is a metal because it is in group 2 which makes it an alkaline earth metal and a powerful reducing agent that loves to react with nonmetals especially powerful oxidizing agents like fluorine and chlorine.
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Answer:

Calcium is a metal, particularly,an alkali earth metal

Explanation:

It donates two electrons to form cation

Ca+2e––>Ca^2+