NEET 2017 Physics and Chemistry

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Question : 89 of 90

Marks: +1, -0

The reason for greater range of oxidation states in actinoids is attributed to :-

[NEET 2017]

actinoid contraction
5f, 6d and 7s levels having comparable energies
4f and 5d levels being close in energies
the redioactive nature of actinoids

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