. Ammonia can be made by reaction of water with magnesium nitride as shown by the following unbalanced equation:
Mg3N2(s) + H2O(l)  Mg(OH)2(s) + NH3(g)
If this process is 71% efficient, what mass of ammonia can be prepared from 24.5 kg
magnesium nitride?

There is one s orbital, and there are three p orbitals, five d orbitals, and seven f orbitals. thus, the answer is b. do not confuse the number of orbitals in a subshell with the number of electrons the subshell can hold. each orbital can hold two electrons, so the capacity of an nf subshell is 14 electrons.