Why nobelium is the only actinoid with +2 oxidation state? – InterviewSolution

1.	Why nobelium is the only actinoid with +2 oxidation state?
Answer» Nobelium has the electronic configuration ₁₀₂NO : [Rn] 5f¹⁴6d°7s² No²⁺ : [Rn] 5f¹⁴6d° Since the 4f subshell is completely filled and 6d° empty, + 2 oxidation state is the stable oxidation state. Other actinoids in + 2 oxidation state are not as stable due to incomplete 4f subshell.

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