Helium

Chemical Name:    Helium
Chemical Symbol: He
Atomic Number:   2
Atomic Mass:       4

Melting Point:   < - 272.2 oC
Boiling Point:      -  268.9 oC

Helium is a noble gas and always stay alone. Helium is a light gas and always go away to the top of atmosphere. Helium much contain in around of Sun as gas.

Helium
Helium Gas

Comments

Popular posts from this blog

Soda or Sodium Carbonate

Viscose Fiber Production Process

Chromic Acid

Find Other Articles Here: