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ICSE Class 10 Chemistry Question 9 of 30

Periodic Table — Periodic Properties & Variation of Properties — Question 11

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Question

Question 11

State the characteristics which remain similar and those which show a transition on moving down a sub-group.

Answer

Characteristics which remain similar on moving down a sub-group are as follows:

  1. Valency of electrons.
  2. Chemical properties.

Characteristics which show a transition on moving down a sub-group are as follows:

  1. Metallic character increases down the sub-group.
  2. Number of electron shells increases by one as we move down each sub-group.