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NEETChemistryClassification of Elements and Periodicity in Properties

What did Mendeleev do when some elements did not fit his scheme of classification based on atomic weights?

Options

  1. AHe ignored those elements.
  2. BHe revised the atomic weights of those elements.
  3. CHe left gaps in the table and placed elements with similar properties together.
  4. DHe excluded those elements from his periodic table.

Correct answer

C. He left gaps in the table and placed elements with similar properties together.

Step-by-step solution

When some elements did not fit his scheme of classification based on atomic weights, Mendeleev left gaps in the table and placed elements with similar properties together.

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