|
Frames OFF / ON |
||
|
Phone 800 486-2436 |
Fax 201 387-0291 |
ORDER From our
Secure Site on the Thomas Register. Credit Cards or Company PO accepted.
Then use your back button to return to this site.
A B C D E F G H I K L M N O P R S T U V X Y Z
|
Frames OFF / ON |
||
|
Phone 800 486-2436 |
Fax 201 387-0291 |
ORDER From our
Secure Site on the Thomas Register. Credit Cards or Company PO accepted.
Then use your back button to return to this site.
Atomic Symbol - He
Atomic weight - 4.002602
Atomic number - 2
Electron configuration - 2
Oxidation states - 0
State of matter - gas
Noble gas element
Discovered in 1895 by Sir William Ramsay
Boils at -268.9 °C, melts at -272.2 °C
Solubility, ml./100 ml. water is 1.49
Notes:
Helium is obtained from natural gas deposits by liquefying all other constituents and collecting helium. The percentage obtained from these deposits may range from 1% to 2%.
ORDER From our
Secure Site on the Thomas Register. Credit Cards or Company PO accepted.
Then use your back button to return to this site.
Click on WWWebpro Logo for FREE