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What is the difference between symbol a...

What is the difference between symbol and formula ?

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Symbols can be defined as the shorthanf notations which represent a single atoms of elements Formula can be defined as the short hand notation which represent a molecule of an element or compound.
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PEARSON IIT JEE FOUNDATION-ATOMIC STRUCTURE AND TRANSFORMATION OF MATTER-VERY SHORT - ANSWER TYPE QUESTIONS
  1. What is the difference between symbol and formula ?

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  2. Compara the mass of proton , neutron and electron?

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  3. How do not the energy of orbits in an atom vary?

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  4. The atomic number and mass number of an element are 13 and 27 respecti...

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  5. Define valency.

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  6. Name two metals that can exhibit variable valency .Also give the name...

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  7. What is meant by synthesis reaction ? Given an example.

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  8. A+BCtoAC +B In the above equation , compare the reactivities of A an...

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  9. What is meant by electrolytic decomposition? Give an example.

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  10. Give reason for the stability of inert gases.

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  11. What is the valence shell ? What is the maximum number of electrons i...

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  12. An atom is electrically neutral .

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  13. What is photolytic decomposition ? Give an example.

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  14. Identify physical and chemical changes among the following. (a) ...

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  15. Why should a chemical equation be balanced ?

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  16. Dissolution of calcium oxide in water is which type of reaction?

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  17. In a double decomposition reaction , one of the products is insoluble ...

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  18. Potassium chlorate on strong heating gives potassium chloride and oxyg...

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  19. Balance the following chemical equations. (i) NH(3)+Br(2)toN(2)+N...

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  20. In the table given below , some compounds are listed . In listed . In ...

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