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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
MCQ
Considering the chemical properties, atomic weight of $\ce{Be}$ was corrected based on :
  • A
    Electronic configuration
  • ✓
    Valency
  • C
    Atomic number
  • D
    Both $B$ and $C$
✓

Answer

Correct option: B.
Valency
The atomic weight of $\ce{Be}$ was corrected based on :
Atomic weight $=$ equivalent weight $\times $ valency
From this, we can understand that the atomic weight of $\ce{Be}$ was corrected based on valency.

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