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NEETChemistryClassification of Elements and Periodicity in Properties

What is the "long form" of the Periodic Table based on, as mentioned in the paragraph?

Options

  1. AChemical reactions
  2. BAtomic mass
  3. CValence
  4. DElectronic configuration

Correct answer

D. Electronic configuration

Step-by-step solution

The paragraph states that the modern version, the "long form" of the Periodic Table, is based on the electronic configuration of elements.

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