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  • Periodic Classification of Elements - I
  • Which of the following elements have the same valency?
Multiple choice

Which of the following elements have the same valency?

  1. Sodium and Potassium

  2. Lithium and Beryllium

  3. Fluorine and Sulphur

  4. Carbon and Aluminium

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A Correct answer
Explanation

Sodium and potassium both are alkali metals. Thus, they have the same valency.

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