Element: boron |
Name : boron |
Symbol : B |
Atomicnumber : 5 |
Relativeatomicmass : 10.81 range: [10.806, 10.821] m [see notes g m r] |
Standardstate : solid at 298 K |
Appearance : black |
Classification : Semi-metallic |
Groupinperiodictable : 13 |
Groupname : (none) |
Periodinperiodictable : 2 |
Blockinperiodictable : p |
Shellstructure : 2.3 |
CASRegistry : 7440-42-8 |
Description : Boron is a Group 13 element that has properties which are borderline between metals and non-metals (semimetallic). |