Is Nitrogen Heavier Than Air?

Answer

No, nitrogen is not heavier than air. Nitrogen is about three percent lighter than air. Even though nitrogen is lighter than air cannot be used as a lifting gas.
Q&A Related to "Is Nitrogen Heavier Than Air?"
You seem to have your thinking backwards. Nitrogen is "lighter" than air. And by lighter, I mean less dense. Air is essentially 79% nitrogen and 21% (There is technically
http://wiki.answers.com/Q/Why_nitrogen_is_heavier_...
no. of protons?
http://answers.yahoo.com/question/index?qid=200705...
Propane (C3H8) and butane (C4H10) have molecular weights of 44 and 58 g/mol,
http://www.chacha.com/question/what-gas-is-heavier...
heavier-than-air: relating to an aircraft heavier than the air it displaces
http://www.kgbanswers.com/what-is-heavier-than-air...
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