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Do the elelment overset(3)underset(1)X a...

Do the elelment `overset(3)underset(1)X` and `overset(3)underset(2)Y` represet pair of isotopes?

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No they do not because the two elemets differ in their atomic number .Isotopes have the same atomic nuber.
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In the reaction underset(1) overset(2)(.) H + underset( 1) overset(3) (.) H to underset(2) overset(4) (. ) He + underset( 0) overset(1) (. )n. if the binding energies of underset( 1) overset(2) (. ) H , underset( 1) overset(3) (. ) H and underset(2) overset(4) (. ) He are respectively a , b and c (in MeV ) then the energy (in Me V) released in this reactions is

The product of the given reaction , CH_3 - underset( OH )underset( |) overset(| ) overset( CH_3 ) overset(|) C-underset(NH_2 ) underset(|) overset(CH_(3) ) overset( |) C -CH_(3) overset( HNO_2 ) to Product is :

Write IUPAC Name : (a) CH_(3)-CH_(2)-underset(CH_(3))underset(|)underset(CH_(2))underset(|)CH-overset(O)overset(||)C-OCH_(3) (b) CH_(3)-underset(" "CH=CH_(2))underset(|)(CH)-CH_(2)-overset(O)overset(||)C-OC_(2)H_(5) (c) > CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-overset(" "overset(O)overset(||)C-NH_(2))overset(|)(CH)-underset(CH_(3))underset(|)(CH)-CH_(3)

Write the names of the following compounds. (a) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-overset(O)overset(||)C-OH , (b) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-C-=C-H (c ) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-overset(H)overset(|)C=O , (d) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-OH

A overset(HCN)(rarr)B underset(H_(2)O)overset(HCl)(rarr)CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-underset(COOH)underset(|)overset(H)overset(|)(C)OH Which of the following is 'A' in the above series of reactions ?

DINESH PUBLICATION-STRUCTURE OF ATOM -Very Short Answer Questions
  1. The atom of an elelment 'A' has threee electons in the outermost shell...

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  2. The atom of an element has electronic configuration 2,8,6.Does it gai...

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  3. Do the elelment overset(3)underset(1)X and overset(3)underset(2)Y repr...

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  4. An element X has a mass number 4 and atomic number 2. Write the valenc...

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  5. Name the particles which actually determine the mass of an atom.

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  6. J. chadwick discovered a sub atomic particle which has no charge but h...

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  7. The K and L shells of an atom are completely filled. Find the number o...

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  8. Who discovered protons?

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  9. What are valence shell and valence electrons?

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  10. The total number of nucleons in the atoms of clacium and argon is 40 ...

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  11. Atom of an element has one proton one electron and no neutron .Name th...

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  12. An element has 2 electrons in the M shell. What is the atomic number o...

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  13. Write the names of three elementary paritcles which constitute an atom...

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  14. Identify the most stable atom from the following .Alson given the reas...

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  15. what are the constituents of cathode rays?

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  16. What is the mass of an electron?

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  17. Do protons and electrons have same mass?

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  18. How are the radii of the nucleus and of an atom related to each other ...

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  19. What is the maximum number of electrons which can be present in M shel...

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  20. What is common in the different isotopes of an element?

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