Element: sodium |
Name : sodium |
Symbol : Na |
Atomicnumber : 11 |
Relativeatomicmass : 22.98976928 (2) |
Standardstate : solid at 298 K |
Appearance : silvery white |
Classification : Metallic |
Groupinperiodictable : 1 |
Groupname : Alkali metal |
Periodinperiodictable : 3 |
Blockinperiodictable : s |
Shellstructure : 2.8.1 |
CASRegistry : 7440-23-5 |
Description : Sodium is a Group 1 element (or IA in older labelling styles). Group 1 elements are often referred to as the "alkali metals". The chemistry of sodium is dominated by the +1 ion Na+. |