Question

q26. mendeleev predicted the existence of which element/elements in the periodic table?

Answer 1

Mendeleev predicted the existence if some elements and name that elements as eka- boron, eka-aluminum, eka-silicon...

Answer 2

Answer:

Two elements whose properties were predicted on the basis of their positions in Mendeleev's periodic table are Gallium and Scandium.Two elements whose properties were predicted on the basis of their positions in Mendeleev's periodic table are Gallium and Scandium.