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
Eka–boron as Scandium
Eka–silicon as Germanium
In NCERT Gallium, Scandium and Germanium are given but more elements are there which are discovered later.
Scandium and Germanium is correct answers as per NCERT Book.
Scandium
Germanium
Sc and Ge
Scandium and germanium
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