Question

name two elements whose properties were predicated on the basis of their position in mendeleev perodic table

Answer 1

GALLIUM(EKA - ALUMINIUM )

GERMANIUM (EKA -SILICON)

ARE TWO ELEMENTS WHOSE PROPERTIES WERE PREDICTED ON THE BASIS OF THEIR POSITION IN THE MENDELEEV 'S PERIODIC TABLE.

Answer 2

The lanthanide or lanthanoid series of chemical elements comprises the metallic elements with atomic numbers 57 through 71, from lanthanum through lutetium.

The other is the actinide or the Actinium series.The series always includes the elements with atomic numbers 90 to 103.