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Allied Solutions Class 7 Chemistry Solutions for Exercise in Chapter 4 - Atomic Structure

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Question 13 Exercise
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13) Give an example of three elements exhibiting variable valency.

Answer:

Solution:

  1. Iron (Fe) can show a valency of 2 and 3
  2. Copper (Cu) can show a valency of 1 and 2.
  3. Phosphorus (P) can show a valency of 3 and 5
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