Potential energy sample question: A block is sitting on a platform 20 m high. It weighs 50 kg. How much potential energy does it contain?

Potential energy (PE) = mgh

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.