Mht CetD And F Block ElementsMHT CET 2026 15th April Morning ShiftMCQ+1 / -02026Which of the following factors may be regarded as the main cause of lanthanide contraction?APoor shielding of one of 4f electron by another in the sub-shell.BEffective shielding of one of 4f electrons by another in the subshellCPoorer shielding of 5d electrons by 4f electronsDGreater shielding of 5d electrons by 4f electronsCheck AnswerClear SelectionReveal AnswerShow Explanation
