Q. The cause of periodicity of properties is

  • (A) The recurrence of similar outer electronic configuration
  • (B) Increasing atomic weights
  • (C) Number of electrons in the valency orbit
  • (D) Increasing atomic radius
✅ Correct Answer: (A) The recurrence of similar outer electronic configuration

Published by Ram Sharma ⭐ 193.88K Points at 29-Mar-2022 02:26 pm in Science

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