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What Do the Following Abbreviations Stand for ? - Science

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Short Note

What do the following abbreviations stand for ?

  1. O
  2. 2O
  3. O2
  4. 3O2
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Solution

  1. O stands for an atom of oxygen.
  2. 2O refers to two atoms of oxygen which are not chemically bonded.
  3. O2 refers to a molecule of oxygen in which atoms are chemically bonded to give a molecule of oxygen gas.
  4. 3O2 refers to three molecules of oxygen.
Concept: Chemical Formula Or Molecular Formula
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 35 | Page 129

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