JEE Mains Model Paper 21

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Question : 34 of 90

Marks: +1, -0

Identify the correct statement

filling of 5d orbital begins with Hf in 5th period
filling of 4f orbital begins with Ce in 6th period
filling of 5d orbital begins with in in 5th period
filling of 4f orbital begins with in in 6th period

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