home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Explore the World of Soft…e: Engineering & Science
/
Explore_the_World_of_Software_Engineering_and_Science_HRS_Software_1998.iso
/
programs
/
physics
/
teeote.exe
/
ERBIUM.ASC
< prev
next >
Wrap
Text File
|
1992-09-10
|
468b
|
16 lines
ERBIUM
Atomic symbol - Er
Atomic weight - 167.26
Atomic number - 68
Electron configuration - 2-8-18-30-8-2
Oxidation states - +3
State of matter - solid
Heavy metal-brittle
Discovered in 1843 by C.G. Mosander
Boils at 2510 °C, melts at 1522 °C
Notes:
Erbium is a metal with few uses. It is a grayish-silver color. It can be used
as an infra-red obsorbing glass and as an activator in some phosphoescent
materials.