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NEETChemistryClassification of Elements and Periodicity in Properties

Observe the following statements : I. The physical and chemical properties of elements are periodic functions of their electronic configuration. II. Electronegativity of fluorine is less than the electronegativity of chlorine. III. Electropositive nature decreases from top to bottom in a group. The correct answer is :

Options

  1. AI, II and III are correct
  2. Bonly I is correct
  3. Conly I and II is correct
  4. Donly II and III are correct

Correct answer

B. only I is correct

Step-by-step solution

The physical and chemical properties of elements are periodic functions of their electronic configuration. This is the correct statement.

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