Q25 of 70 Page 109

Which of the following actinoids show oxidation states upto +7?

Pu and Np both show +7 oxidation state. U shows oxidation states +4 and +6, and Am shows oxidation states from +2 to +6.

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General electronic configuration of actinoids is (n–2)f1–14 (n-1)d0–2 ns2.Which of the following actinoids have one electron in 6d orbital?

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Which of the following lanthanoids show +2 oxidation state besides the characteristic oxidation state +3 of lanthanoids?