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STD 11 - 3. Classification of elements and periodicity in properties — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 3. Classification of elements and periodicity in properties4 Marks
MCQ
The telluric helix was given by
  • ✓
    De Chan Courtois
  • B
    Newlands
  • C
    L. Meyer
  • D
    Mendeleef
✓

Answer

Correct option: A.
De Chan Courtois
a
It’s Obvious

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