Question

all of the following elements are metals except – a. lead (pb) b. iron (fe) c. gold (au) d. silicon (si) explain your thinking…

Explanation:

Metals are typically good conductors, malleable, and ductile. Lead (Pb), Iron (Fe), and Gold (Au) are metals. Silicon (Si) is a metalloid, having properties between metals and non - metals, so it's not a metal.

Answer:

D. Silicon (Si)