<span>261 million kilometers</span>
Formation of ammonia by nitrogen and hydrogen is habers process wher 28g N2 results in formation of 34g NH3
so 35g N2 will form 34*35/28=42.5g NH3 where it given that reaction takes place in excess of H2
N2+3H2 gives 2NH3
You need to list the elements but remember that fluorine has the highest electronegativity out of the entire periodic table