Which of the following elements has the atomic number 30? A). Zinc B). Copper C). Iron D). Cobalt

The correct answer is Zinc. Zinc (Zn) is a chemical element with the atomic number 30. It is a slightly brittle metal at room temperature and is the first element in group 12 of the periodic table. (Copper is 29, Iron is 26, Cobalt is 27).

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