Answer;
As (Arsenic) and Ar (Argon)
Explanation;
-Metalloids are chemical elements that exhibits some properties of metals and some of nonmetals. The chemical elements classified as metalloids are boron, silicon, germanium, arsenic, antimony, and tellurium. Noble gases are group eight elements that have an octet configuration. These includes neon, argon, helium, krypton, xenon and radon.
