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In an atom, the total number of electron...

In an atom, the total number of electrons having quantum numbers
`n = 4,|m_(l)| = 1` and `m_(s) =- (1)/(2)` is

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RC MUKHERJEE-ATOMIC STRUCTURE AND RADIOACTIVITY-PROBLEMS (Answers bracketed with questions)
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  2. In a sample of pitchblende the atomic ratio is ""^(206)Pb, ""^(238)U= ...

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  3. A sample of radon emitted initially 7 xx 10^(4) alpha-particles per se...

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  4. ""^(222)Rn has a half-life period of 3.83 days. What fraction of the s...

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  5. The number of alpha-particles emitted per second by 1g of radium is 3....

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  6. The rate of radioactive decomposition corresponding to 3.7 xx 10^(10) ...

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  7. Calculate the weight of ""^(14)C (t((1)/(2)) =5720yr) atoms which will...

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  8. Calculate the number of disintegrations which 1g of ""^(226)Ra (t((1)/...

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  9. A piece of wood was found to have ""^(14)C//^(12)C ratio 0.7 times tha...

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  10. 10.0 gram-atom of an alpha-active radioisotope is disintegrating in a ...

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  11. The disintegration rate for a sample containing ""(27)^(60)Co as the o...

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  12. Sample containing ""(88)^(234)Ra, which decays by alpha-particle emiss...

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  13. The thorium radioactive decay series produced one atom of ""^(208)Pb a...

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  14. The ratio of the number of atoms of two radioactive elements A and B, ...

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  15. Which nucleus has higher binding energy per nucleon: ""(28)^(58)Ni (57...

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  16. For ""(92)^(238)U the binding energy per nucleon is 7.576 MeV. What is...

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  17. The atomic masses of He and Ne are 4 and 20 amu respectively . The va...

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  18. In an atom, the total number of electrons having quantum numbers n =...

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  19. The periodic table consists of 18 groups. An isotope of Cu, on bombard...

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