Which Prediction Regarding the Formation of a Monatomic Ion Most

Multiple Choice

Which prediction regarding the formation of a monatomic ion most likely is not correct?

A) Rubidium (Rb) forms a 1 cation by losing an s electron.
B) Strontium (Sr) forms a 2 cation by losing two s electrons.
C) Scandium (Sc) forms a 3 cation by losing two s electrons and a p electron.
D) Bromine (Br) forms a 1 anion by adding an electron to a p orbital.
E) Sulfur (S) forms a 2 anion by adding one electron to each of two p orbitals.