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The mass of an electron is 9.1xx10^(-31)...

The mass of an electron is `9.1xx10^(-31)kg`. If its K.E. is `3.0xx10^(-25) J`, calculate its wavelength

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MODERN PUBLICATION-STRUCTURE OF ATOM-NCERT FILE SOLVED (TEXT BOOK EXERCISES)
  1. The electron energy in hydrogen atom is given by E(n)=(-2.18xx10^(-18)...

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  2. Calculate the wavelength of an electron moving with a velocity fo 2. ...

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  3. The mass of an electron is 9.1xx10^(-31)kg. If its K.E. is 3.0xx10^(-2...

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  4. Which of the following are isoelectronic species, i.e., those having t...

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  5. i. Write the electronic conifigurations of the following ions: a. H^...

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  6. What is the lowest value of n that allows g orbitals to exist?

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  7. An electron is in one of the 3d orbitals. Give the possible values of ...

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  8. An atom of an element contains 29 electrons and 35 neutrons. Deduce ...

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  9. Give the number of electrons in the species H2^+, H2 and O2^+.

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  10. a. An atomic orbital has n=3. What are the possible values of l and m?...

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  11. Using s, p, d notations, descibe the orbital with the following quantu...

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  12. From the following sets of quantum numbers, state which are possible. ...

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  13. How many electron in an atom may have the following quantum number ? ...

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  14. Show that the circumference of the Bohr orbit for the hydrogen atom is...

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  15. What transition in the hydrogen spectrum would have the same wavelengt...

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  16. Calcultte the enrgy required for the process , He^+ (g) rarr He^(2+...

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  17. If the diameter of a carbon atom is 0.15 nm, calculate the number of c...

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  18. 2xx10^(8) atoms of carbon are arranged side by side. Calculate the rad...

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  19. The diameter of zinc atom is 2.6 A. Calculate (a) radius of zinc atom ...

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  20. A certain particle carries 2.5xx10^(-16) C of static electric charge. ...

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