Helium is a chemical element with the symbol He and Atomic Number 2.
It is colourless, odourless, inert, non-toxic, tasteless, monatomic gas that heads the noble gas group in the periodic table.
Helium, as we know it, is sometimes used balloons.
Melting Point:−272.20 °C
Boiling Point:−268.928 °C
No comments:
Post a Comment