because they have small atomic masses and He has no intrmolecular forces in it
Helium, hydrogen, and air are gases.
helium and hydrogen...
hydrogen and helium
Hydrogen and helium. Mostly hydrogen.
Gases found are Hydrogen and helium
Hydrogen and helium. Mostly hydrogen.
Mercury is made up of Helium, Hydrogen, and other gases Mercury is made up of Helium, Hydrogen, and other gases
It not being certain of what amount or percentage is considered a "major" or "minor" gas, I have chosen to give the list of known gases in significant quantities: Hydrogen gas- 83% Helium gas- 15% Methane gas- 2%
Helium has replace hydrogen in airships
Mostly Hydrogen and Helium.
Hydrogen, Helium
hydrogen and helium.