This table is designed to show the role(s) performed by each chemical element, in nature and in technology. Z = Atomic number Sym. = Symbol Per. = Period Gr. = Group
This table is designed to show the role(s) performed by each chemical element, in nature and in technology. Z = Atomic number Sym. = Symbol Per. = Period Gr. = Group (en)
This table is designed to show the role(s) performed by each chemical element, in nature and in technology. Z = Atomic number Sym. = Symbol Per. = Period Gr. = Group (en)