Calculate the number of aluminum ions present in 0.051g of aliminium oxide

6.022× 10∧ 20 (Check attachment

Explanation:

Check attachment

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.