abundance of the chemical elements actinoid alternative periodic tables atomic orbital bohrium cadmium chemical elements named after places chemical makeup of the human body chromium cobalt collective names of groups of like elements copper d-block darmstadtium dubnium electron configuration f-block g-block gold hafnium hassium iridium iron lanthanoid lawrencium list of chemical element name etymologies list of chemical elements named after people list of elements list of elements by atomic number list of elements by atomic weight list of elements by boiling point list of elements by density list of elements by melting point list of elements by name list of elements by stability of isotopes list of elements by symbol list of oxidation states of the elements lutetium manganese meitnerium metal metalloid molybdenum nickel niobium nonmetal osmium p-block palladium periodic table periodic table block platinum platinum group post-transition metal rare earth element rhenium rhodium roentgenium ruthenium rutherfordium s-block scandium seaborgium silver tantalum technetium timeline of chemical elements discoveries titanium transition metal tungsten ununbium vanadium yttrium zinc zirconium