nonmetal - are chemical elements that are not good conductors of electricity and heat, semiconductor  - It is an element that behaves either as a conductor or as an insulator depending on various factors., metalloid  - Along with metals and nonmetals, semimetals comprise one of three categories of chemical elements that follow a classification according to their properties., halogen  - are the chemical elements that form group 17 or group VII A of the periodic table: fluorine, chlorine, bromine, iodine (I), astatine and tenesum., noble gas  - are a group of chemical elements with very similar properties: for example, under normal conditions, diatomic molecule - are those that are formed by two atoms of the same or different chemical element.,

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