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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8
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Find the valency of the element which is underlined in the following formula. - Science

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Question

Find the valency of the element which is underlined in the following formula.

  1. NaCl
  2. CO2
  3. Al (PO4)
  4. Ba (NO3)2
  5. CaCl2
Short/Brief Note
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Solution

  1. NaCl = 1
  2. CO2 = 4
  3. Al(PO4) = 3
  4. Ba(NO3)2 = 2
  5. CaCl2 = 2
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Chemical Formula or Molecular Formula
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Q V. 1.
Chapter 12: Atomic Structure - Exercises [Page 137]

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Samacheer Kalvi Science [English] Class 8 TN Board
Chapter 12 Atomic Structure
Exercises | Q V. 1. | Page 137

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