题目内容
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[主观题]
Write the electron configuration beyond a noble gas core for(for example, F[He] 2s22p5)Rb,La,Cr,Fe2+
Write the electron configuration beyond a noble gas core for(for example, F[He] 2s22p5)Rb,La,Cr,Fe2+,Cu2+,Tl,Po,Gd,Sn2+,Ti3+and Lu.
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