Which pair of elements corresponds exactly to Mendeleev's predicted elements 'Eka-Aluminium' and 'Ek β Periodic Table and Periodicity Chemistry Question
Question
Which pair of elements corresponds exactly to Mendeleev's predicted elements 'Eka-Aluminium' and 'Eka-Silicon' respectively?
Answer: A
π‘ Solution & Explanation
Mendeleev left gaps for undiscovered elements. Eka-Aluminium was later discovered as Gallium ($Ga$) and Eka-Silicon as Germanium ($Ge$).
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