hydrogen
gas consists mainly of 79% of noble gas
Hydrogen was, and is, the lightest gas
Hydrogen is the lightest known, diatomic gas with formula: H2
Yes it is, and it's also the lightest gas in the universe.
gas is the lightest in weight
Natural gas is a mixture and, as a result, does not have a scientific name. It consists mainly of methane.
helium is the lightest air
colourless ,odourless ,non-toxicgas sligtly soluble in water lightest known gas
Natural gas, also known as methane, is a source of hydrogen, and air consists mainly of nitrogen, so the two can be used to form ammonia, which is a compound of nitrogen and hydrogen.
generally, you can look at the Periodic Table of Elements. hydrogen is the lightest of both
the lightest gas is hydrogen
hydrogen