Element: beryllium |
Name : beryllium |
Symbol : Be |
Atomicnumber : 4 |
Relativeatomicmass : 9.0121831 (5) |
Standardstate : solid at 298 K |
Appearance : lead grey |
Classification : Metallic |
Groupinperiodictable : 2 |
Groupname : Alkaline earth metal |
Periodinperiodictable : 2 |
Blockinperiodictable : s |
Shellstructure : 2.2 |
CASRegistry : 7440-41-7 |
Description : Beryllium is a Group 2 (IIA) element. It is a metal and has a high melting point. At ordinary temperatures, beryllium resists oxidation in air. |