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Which of the elements whose atomic numbers are given below, cannot be accommodated in the present set up of the long form of the periodic table?

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By Expert Faculty of Sri Chaitanya
a
107
b
118
c
126
d
102

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detailed solution

Correct option is C

From Z121138, the beginning of the filling in of gorbitals, for which the current arrangement of the periodic table makes no provision. Thus the option C is correct.


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