Is the following a chemical change or a physical change? a pencil is sharpened in a pencil sharpener, leaving behind shaving. physical change chemical change

This is an example of physical change, because the pencil's chemical composition does not change.

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.