Question

using the periodic table, classify these elements as metals, nonmetals, or metalloids. si, he, fe, k

Explanation:

Step1: Identify Si

Silicon (Si) is a metalloid.

Step2: Identify He

Helium (He) is a non - metal.

Step3: Identify Fe

Iron (Fe) is a metal.

Step4: Identify K

Potassium (K) is a metal.

Answer:

Si: metalloid; He: non - metal; Fe: metal; K: metal