Template:PeriodicTablesKey

From Wikipedia

Chemical series of the periodic table
Alkali metals Alkaline earth metals Lanthanides style="background:Template:Element color/Actinides;" width="20%" | Actinides Transition metals
Poor metals Metalloids Nonmetals Halogens Noble gases
State at standard temperature and pressure (0 °C and 1 atm)
Gases Liquids Solids
Natural occurrence
Undiscovered Synthetic From decay Primordial