Non-metallic elements
Nonmetallic elements are a major category of elements, and among all 118 chemical elements, non-metals account for 23 species. In the periodic table, in addition to hydrogen, other non-metallic elements are on the right side of the table and the upper side, belonging to the p area. Including hydrogen, boron, carbon, nitrogen, oxygen, silicon, phosphorus, sulfur, chlorine, arsenic, selenium, bromine, tellurium, iodine, astatine, helium, neon, argon, krypton, xenon, radon, Uuo. 80% of the non-metallic elements in the current society occupies an important position. ...