Ap EapcetD And F Block ElementsAP EAPCET 2025 - 21st May Evening ShiftMCQ+1 / -02025The ion with $4 f^7$ configuration isA$\mathrm{Pr}^{3+}$B$\mathrm{Lu}^{3+}$C$\mathrm{Eu}^{2+}$D$\mathrm{Ce}^{4+}$Check AnswerClear SelectionReveal AnswerShow Explanation