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ICSE Class 7 Chemistry Question 8 of 16

Atomic Structure — Question 13

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Question

Question 13

Give an example of three elements exhibiting variable valency.

Answer

Three elements exhibiting variable valency are:

  1. Iron (Fe) can show a valency of 2 and 3.
  2. Copper (Cu) can show a valency of 1 and 2.
  3. Lead (Pb) can show a valency of 2 and 4.