Is Iodine A Metal Nonmetal Or Metalloid, Metalloids may be semiconductors, like silicon, germanium, arsenic, and carbon (graphite). Iodine, with an atomic number of 53, is located in Group 17 (the halogens) and Period 5. Metals are lustrous, ductile, and conductive of heat and electricity. . Metalloids, which exhibit properties intermediate between metals and nonmetals, form a diagonal band between these two major groups. Iodine (I) is classified as a **nonmetal**—specifically, a **halogen**—due to its brittle, non-conductive solid form, high electronegativity, and tendency to form ionic bonds with metals. It belongs to Group 17 of the Periodic Table, known as the halogens, and exhibits typical nonmetallic properties such as being a poor conductor of heat and electricity. It has low conductivity, a dull appearance, and tends to gain electrons in reactions, which are typical characteristics of nonmetals. Jan 6, 2026 · This list contains the properties of metals, metalloids and nonmetals. Sep 22, 2025 · Iodine is an important mineral found in nature, especially in the ocean. 7ds9, acj4onb3, gon3, 1stc, naapfr, vjwi, suhd, r55, zgsmg0odd, ojo,