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How does a neutron differ from proton ?...

How does a neutron differ from proton ?

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DINESH PUBLICATION-STRUCTURE OF ATOM-Assignment
  1. An anion M^(3-) had 18 electrons , what is its atomic number ?

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  2. What is common in the (i) isobars (ii) isotones ?

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  3. How does a neutron differ from proton ?

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  4. Total charge on one mole of monovalent ion is equal to

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  5. How many neutrons are present in .(18)^(40)Ca ?

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  6. What is the nature of particles which constitute positive rays ?

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  7. Are mass number and atomic number of an element same in all respects ?

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  8. Do isotopes of an element possess different chemical properties ?

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  9. Name the three fundamental particles in an atom. Write the values of t...

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  10. Why is an electron called universal particle ?

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  11. Enlist four properties of cathode rays.

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  12. Define atomic number of an element. How is it related to the mass nu...

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  13. Define a neutron. Mention its mass and charge.

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  14. How are the following species related ? .(6)^(14)C , .(7)^(15)N , .(...

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  15. What are electromagnetic radiations ? Name two such radiations.

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  16. What is the common velocity of all electromagnetic waves ?

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  17. Define wave length. What is its S.I. unit ?

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  18. How are frequency and wavelength related to each other ?

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  19. Arrrange the following electromagnetic waves in the order of their inc...

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  20. Which of the following are not electro magnetic waves : (i) alpha-ra...

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