A 0.7221-g sample of a new compound has been an- alyzed and found to contain the following masses of
elements: carbon, 0.2990 g; hydrogen, 0.05849 g;
nitrogen, 0.2318 g; oxygen, 0.1328 g. Calculate the
empirical formula of the compound.

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.

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