Which region is colored blue-green in this periodic table of the elements? A. metals B. metalloids C. nonmetals D. noble gases

The correct answer is A.

Explanation:

Generally, blue-green colors are used to identify metals in the periodic table. While there is no rule for establishing the colors of element types, so there are different types of color classifications in periodic tables, many of them identify metals this way.

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A it's reasonable because it makes sense