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Mendeleev predicted Eka-silicon below Si, later identified as Germanium (Ge), matching its properties like oxide formula GeO₂.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Genesis of Periodic Classification - Dobereiner Newlands Mendeleev
Mendeleev predicted Eka-aluminium below Al, later identified as Gallium (Ga), matching its properties like oxide formula Ga₂O₃.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Genesis of Periodic Classification - Dobereiner Newlands Mendeleev
Mendeleev predicted Eka-boron below B in group 13, later identified as Ga, with similar properties to B, unlike Sc (group 3), Ge (group 14), or Tc (group 7).
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Genesis of Periodic Classification - Dobereiner Newlands Mendeleev
