Using the Data Booklet is relevant to this question. From which particle is it most difficult to remove an electron?
- A$\text{Cl}^-(g)$
- B$\text{F}^-(g)$
- C$\text{K}^+(g)$
- D$\text{Na}^+(g)$
Chemistry 9701 · AS & A Level · The Periodic Table: chemical periodicity
Using the Data Booklet is relevant to this question. From which particle is it most difficult to remove an electron?