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There are two elemetns overset(26)unders...

There are two elemetns `overset(26)underset(13)A` and `overset(26)underset(14)B` .Find the number of sub atomic particles in each of these.What is the relations between these atoms?

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DINESH PUBLICATION-STRUCTURE OF ATOM -Short Answer Question
  1. In the following table the mass number and the atomic number of certai...

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  3. There are two elemetns overset(26)underset(13)A and overset(26)underse...

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  4. Which of the following are isotopes and which are isobars ? Argon, D...

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  5. (a) Explain Bohr and Bury rules for distrubution of electrons into dif...

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  6. The atomic number and mass number of an element are 16 and 32 respecti...

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  7. You are given a n element overset(16)underset(8)X. Find out (a) Num...

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  8. Define the terms (a) isotope,(b) isobar giving one example in each cas...

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  9. (a) What are canal rays? Who discovered them? What is the charge and m...

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  10. certain particle x has 17 protons 17 electrons and 18 neutrons (i) W...

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  11. (a) The element helium has 2 electrons in its valence shell but its va...

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  12. complete the following table:

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  13. An element is represented as overset(16)underset(8)X.Find: (a) The n...

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  14. The electronic configuration of potassium (K) is 2,8,8,1 instedad of 2...

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  15. Show the electron distribution in magnesium atom and magnesium ion dia...

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  16. The composition of two atoms A and B is given: (a) What are the m...

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  17. (a) what is the relationship between two elements x and y whose atomic...

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  18. write the elctron distrubution of oxygen atom .How many valence elect...

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  19. (a) Why does helium have zero valecy? (b) Name the secientist and h...

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  20. Which observations in scatteing experiment led Rutherford to make the ...

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