Give acceptable values for all four quantum numbers for each electron in the last two subshells of Zr. n =
l = ml = ms =
5s1



5s2



4d1



4d2

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

i think that the answer is c