Element: osmium |
Name : osmium |
Symbol : Os |
Atomicnumber : 76 |
Relativeatomicmass : 190.23 (3) g [see note g] |
Standardstate : solid at 298 K |
Appearance : bluish grey |
Classification : Metallic |
Groupinperiodictable : 8 |
Groupname : Precious metal or Platinum group metal |
Periodinperiodictable : 6 |
Blockinperiodictable : d |
Shellstructure : 2.8.18.32.14.2 |
CASRegistry : 7440-04-2 |
Description : Ruthenium, rhodium, palladium, osmium, iridium, and platinum together make up a group of elements referred to as the platinum group metals (PGM). |