Final answer:
Arsenic is a metalloid in the periodic table that has properties of both metals and nonmetals.
Step-by-step explanation:
A metalloid in the periodic table is Arsenic. Arsenic is considered a metalloid because it exhibits properties of both metals and nonmetals. It is located in Group 15, Period 4 of the periodic table and has an atomic number of 33. Arsenic is a solid at room temperature, has a metallic luster, but is brittle like a nonmetal. It can conduct electricity to a certain extent, but not as well as a metal does.
Learn more about Metalloids in the periodic table