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Calculate the number of electrons, proto...

Calculate the number of electrons, protons and neutrons in the followings:
`N^(-3), S^(-2) and Na^+`

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MBD PUBLICATION-STRUCTURE OF ATOM-QUESTION TYPE
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  3. Calculate the number of electrons, protons and neutrons in the followi...

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  4. What is uncertainty principle ?

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  5. Calculate the energy of the photon of wave-length 4500A. Given h= 6.6x...

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  6. Write the composition of the nucleus and the electronic configuration ...

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  7. Calculate the momentum of wave-length 0.33 nm.

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  8. Calculate the energy of photon of radiations having v = frequency 5xx1...

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  9. With what velocity must an electron travel so that its momentum is equ...

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  10. Why is the electronic configuration, 1s^2, 2s^2, 2px^(2), 2py^(1), 2pz...

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  11. Mass of neutron is……..times the mass of electron.

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  12. The maximum number of unpaired electrons present in 4f-energy level is...

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  13. Which is not deflected by magnetic field ?

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  14. In the atomic spectrum of hydrogen the series of lines observed in the...

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  15. The maximum sum of the number of neutrons and protons in an isotope of...

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  16. Which of the subshell has double dumb-bell shape ?

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  17. Which one of the following pairs of atoms/atom-ions have identical gro...

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  18. The ratio of nucleons in O^16 and O^18 is:

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  19. The number of unpaired electrons in Mn^+ is:

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  20. The (n+1) value for 4f-electron is:

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