ChemistryEasy158×since 2002Q892Nd2+\mathrm{Nd^{2+}}Nd2+ = __________A4f46s2\mathrm{4f^4 6s^2}4f46s2B4f3\mathrm{4f^3}4f3C4f4\mathrm{4f^4}4f4D4f26s2\mathrm{4f^2 6s^2}4f26s2Check answerSkip