Template:Element color legend/alkali metal–noble gas range
Some element categories in the periodic table
| Metals | Metalloids | Nonmetals | Unknown chemical properties | |||||||
| Alkali metals |
Alkaline earth metals |
Inner transition metals | Transition metals |
Post-transition metals |
Other nonmetals |
Halogens | Noble gases | |||
| Lanthanides | Actinides | |||||||||
