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CBSEEnglish Medium Class 9
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Syllabus

State the number of atoms present in each of the following chemical species P2O5

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Question

State the number of atoms present in each of the following chemical species

P2O5

Short/Brief Note
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Solution

P2O5 

= 2P + 5(O) 

= 7

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Atomic Mass - Relative Atomic Mass (RAM)
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Q 18. (c)
Chapter 3: Atoms and Molecules - Short Answer Questions [Page 21]

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NCERT Exemplar Science Exemplar [English] Class 9
Chapter 3 Atoms and Molecules
Short Answer Questions | Q 18. (c) | Page 21

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Verify by calculating that

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