Asked by
pynsuk
in
Chemistry
at
1:18 PM on October 26, 2008
Aryan Raj's Answer
nitrogen is a non metal while helium is a noble gas (inert gas )
helium is lighter than nitrogen .
nitrogen constitutes 78% of the total composition of air ]
and helium is the second lightest element .
Answered at
11:17 AM on October 27, 2008
Read all answers