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  • The reason for the greater range of oxidation states in actinoids is attributed to:Option: 1

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

Option: 1

the radioactive nature of actinoids


Option: 2

actinoid contraction


Option: 3

5f, 6d and 7s levels having comparable energies


Option: 4

4f and 5d levels being close in energies


Answers (1)

best_answer

The reason for the greater range of oxidation states in actinoids is attributed to 5f, 6d and 7s levels having comparable energies. Due to this outermost electrons are excited to higher energy levels giving variable oxidation states. 

Hence, option number (3) is correct.

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manish

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