Which ion contains more electrons than protons, and more protons than neutrons? [$\text{H} = ^{1}_{1}\text{H};\ \text{D} = ^{2}_{1}\text{H};\ \text{O} = ^{16}_{8}\text{O}$]
- A$\text{D}^-$
- B$\text{H}_3\text{O}^+$
- C$\text{OD}^-$
- D$\text{OH}^-$
Chemistry 9701 · AS & A Level · Atomic structure