the four classical chemical elements (fire, earth, air and water)
chemical symbol (e.g. H for hydrogen); element symbol
trace element; micronutrient
radioelement; radioactive element
periodic table of elements
rare-earth element; rare-earth metal
transuranium element; transuranic element; super heavy element
native element mineral; native element
periodic table of the elements
nitrogen group (group 15 of the periodic table)
transition element; transition metal
synthetic element; artificial element (i.e. technetium)
platinum group metals; platinum group elements
transactinide elements; transactinides; super-heavy elements
oxygen family element; chalcogen