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What is the atomicity of the following ...

What is the atomicity of the following ?
(a) Oxygen , (b) Ozone , (c ) Neon , (d) Sulphur, (e ) Phosphorus , (f) Sodium

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The correct Answer is:
(a) 2 , (b) 3 , (c ) 1 , (d) 8 , (e ) 4 , (f) 1
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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. Name the element represented by the following symbols : Hg, Pb, Au, ...

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  2. What is meant by atomicity ? Explain with two examples.

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  3. What is the atomicity of the following ? (a) Oxygen , (b) Ozone , (...

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  4. What is meant by a chemical formula ? Write the folrmulae of one elem...

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  5. Write the formulae of the following compounds. Also name the element ...

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  6. Explain the difference between 2 N and N(2).

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  7. What do the following abbreviations stand for ? (i) O , (ii) 2O ,...

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  8. What do the symbols, H(2), S and O(4) mean in the formula H(2)SO(...

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  9. (a) In water from does oxygen gas occur in nature ? (b) In what fo...

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  10. What is the difference between 2H and H(2) ?

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  11. What do the following denote ? (i) N, (ii) 2N, (iii) N(2) , (iv) 2...

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  12. What is the significance of the formula of a substance ?

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  13. What is the significance of the formula H(2)O ?

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  14. The molecular formula of glucose is C(6)H(12)O(6). Calculate its molec...

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  15. Calculate the molecular masses of the following : (a) Hydrogen, H(2)...

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  16. Calculate the molecular masses of the following compounds : (a) Met...

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  17. Calculate the molecular masses of the following compounds : (a) Me...

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  18. Calculate the molecular mass of ethanoic acid, CH(3)COOH. (Atomic ma...

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  19. Calculate the molecular mass of nitric acid, HNO(3). (Atomic masses : ...

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  20. Calculate the molecular mass of chloroform (CHCl(3)). (Atomic masses...

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