which element in period 3 on the periodic table is a metalloid?\n○ magnesium (mg)\n○ aluminum (al)\n○…

which element in period 3 on the periodic table is a metalloid?\n○ magnesium (mg)\n○ aluminum (al)\n○ silicon (si)\n○ sulfur (s)

which element in period 3 on the periodic table is a metalloid?\n○ magnesium (mg)\n○ aluminum (al)\n○ silicon (si)\n○ sulfur (s)

Answer

Answer:

C. silicon (Si)

Brief Explanations:

Metalloids have properties intermediate between metals and non - metals. In period 3 of the periodic table, silicon is a metalloid. Magnesium and aluminum are metals, and sulfur is a non - metal.