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In Chemistry / College | 2025-07-06

Which element in period 3 on the periodic table is a metalloid?

A. magnesium (Mg)
B. aluminum (Al)
C. silicon (Si)
D. sulfur (S)

Asked by drip525

Answer (1)

In period 3 of the periodic table, silicon (Si) is the metalloid. Metalloids exhibit characteristics of both metals and non-metals, and silicon is widely used in electronics as a semiconductor. Other elements in this period do not fit the metalloid classification. ;

Answered by GinnyAnswer | 2025-07-06

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