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D And F Block Elements

JEE Main 2026 (Online) 4th April Evening Shift

MCQ+4 / -12026

Pairs of elements with the same number of electrons in their respective 4f orbital are


[Atomic number. Eu-63, Gd-64, Dy-66, Ho-67, Tm-69, Yb-70, Lu-71, Hf-72]


A. (Eu and Gd)


B. (Dy and Ho)


C. ( Yb and Hf )


D. ( Lu and Tm)


Choose the correct answer from the options given below :


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