home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
CD School House 10
/
CD School House - Education and Games (10.0) - Wayzata Technology (1995).iso
/
mac
/
DOS
/
MATH
/
TEEOTE
/
BARIUM.ASC
< prev
next >
Wrap
Text File
|
1992-08-06
|
528b
|
16 lines
BARIUM
Atomic symbol - Ba
Atomic weight - 137.327
Atomic number - 56
Electron configuration - 2-8-18-18-8-2
Oxidation states - +2
State of matter - solid
Light metal
Discovered in 1808 by Sir Humphry Davy
Boils at 1640 °C, melts at 725 °C
Notes:
Barium is used in metallurgy, pyrotechnics, radiology, and petroleum mining.
It has a silvery-white lustre when cut. Like many other light elements, it is
very reactive. It displaces hydrogen in water to form barium hydroxide.