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

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
MCQ
Which of the following statements is incorrect?
  • A
    Mendeleev's arranged elements in horizontal rows and vertical columns.
  • B
    Mendeleev's arranged elements in order of their increasing atomic number.
  • C
    Mendeleev's system of classifying elements was more elaborate than that of Lother Meyer.
  • D
    None of the above.
✓

Answer

  1. Mendeleev's arranged elements in order of their increasing atomic number.

Explanation:

Mendeleev arranged elements in horizontal rows and vertical columns of table in the order of their increasing atomic weights.

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