Element: potassium |
Name : potassium |
Symbol : K |
Atomicnumber : 19 |
Relativeatomicmass : 39.0983 (1) |
Standardstate : solid at 298 K |
Appearance : silvery white |
Classification : Metallic |
Groupinperiodictable : 1 |
Groupname : Alkali metal |
Periodinperiodictable : 4 |
Blockinperiodictable : s |
Shellstructure : 2.8.8.1 |
CASRegistry : 7440-09-7 |
Description : Potassium is an essential constituent for plant growth and it is found in most soils. It is also a vital element in the human diet. |