For each atom in the table below, write down the subshell from which an electron would have to be removed to make a cation, and the subshell to which an electron would have to be added to make a 1 anion The first row has been completed for you. atom subshell from which electron subshell to which electron removed to form +1 cation added to form 1 anion H 0 -0 HE 0 0 D X 5