home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
CD School House 9
/
CD School House 9.0 - Wayzata Technology (1994).iso
/
pc
/
dos
/
math
/
teeote
/
cobalt.asc
< prev
next >
Wrap
Text File
|
1992-07-13
|
501b
|
16 lines
COBALT
Atomic symbol - Co
Atomic weight - 58.93320
Atomic number - 27
Electron configuration - 2-8-15-2
Oxidation states - +2, +3
State of matter - solid
Heavy metal-ductile
Discovered in 1735 by Georg Brandt
Boils at 2908 °C, melts at 1495 °C
Notes:
Cobalt is a silvery metal with a bluish tint. Alloyed with steel, it is used
as permanent magnets. Cobalt occurs mainly as smalite. Cobalt compounds can
be used as a catalist to speed up reactions.