Template:PeriodicTablesKey

Atomic number colors show state at standard temperature and pressure (0 °C and 1 atm) width="25%" style="text-align: center; color: Template:Element color/Solid;" | Solids width="25%" style="text-align: center; color: Template:Element color/Liquid;" | Liquids width="25%" style="text-align: center; color: Template:Element color/Gas;" | Gases width="25%" style="text-align: center; color: Template:Element color/UnknownPhase;"| Unknown

Borders show natural occurrence width="25%" style="text-align: center; border: Template:Element frame/Primordial;" | Primordial width="25%" style="text-align: center; border: Template:Element frame/Natural radio;" | From decay width="25%" style="text-align: center; border: Template:Element frame/Synthetic;" | Synthetic width="25%" style="text-align: center; border: Template:Element frame/Undiscovered;" | (Undiscovered)