The two particles are shown by the symbols $^{54}_{26}\text{Fe}^{2+}$ and $^{59}_{27}\text{Co}^{3+}$. Which statement concerning these particles is correct?
- AThey contain the same number of electrons.
- BThey contain the same number of neutrons.
- CThey contain the same number of protons.
- DThey do not contain the same number of protons, neutrons or electrons.