Which of the following is a metalloid in the third period of the periodic table?

Question

Quizplus · Accepted Answer

Silicon (Si) is a metalloid in the third period of the periodic table. Metalloids are elements that display both metallic and non-metallic properties, and are found in the zigzag line that separates the metals from the non-metals on the periodic table. Aluminum (Al) is a metal and is located to the left of the metalloids, while phosphorus (P) and sulfur (S) are non-metals and are located to the right of the metalloids in the third period.

Which of the Following Is a Metalloid in the Third