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Question 47(a) Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium. Name the elements which have taken the place of these elements.

Answer» Question 47(a)
Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium.


Name the elements which have taken the place of these elements.


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