NCERT Solution for Class 10 Science Chapter 5
Periodic Classification of Elements
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Intext Questions
Page No-85
Questions No-2
Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)
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Scandium and germanium
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Scandium
Germanium
Scandium and Germanium is correct answers as per NCERT Book.
In NCERT Gallium, Scandium and Germanium are given but more elements are there which are discovered later.
Sc and Ge
Eka–boron as Scandium
Eka–silicon as Germanium
Scandium and Germanium