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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
In Newlands classification, elements are arranged in an increasing order of their :
  • A
    Mass number
  • B
    Atomic number
  • ✓
    Atomic weight
  • D
    All of these
✓

Answer

Correct option: C.
Atomic weight
Newlands arranged elements in increasing order of their atomic weight and stated that every eighth element resembled properties of the first element..

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