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If W is atomic weight and N is the atomi...

If W is atomic weight and N is the atomic number of an element, then

A

Electrons = W – N

B

Neutrons = W – N

C

Protons = W – N

D

Electrons = W

Text Solution

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The correct Answer is:
B
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MOTION-ATOMIC STRUCTURE -EXERCISE-1
  1. The e/m ratio for cathode rays:

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  2. Electron, Proton and Neutron were respectively discovered by -

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  3. If W is atomic weight and N is the atomic number of an element, then

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  4. The study of cathode rays (i.e. electronic discharge through gases) sh...

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  5. Which of the following while in motion cannot be deflected by magnetic...

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  6. Rutherford's experiment on the scattering of alpha particle showed for...

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  7. prop-particles are represented by:

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  8. If the I.P. of Li ^(+2)is 122.4 eV. Find out 6 ^(th)I.P. of carbon -

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  9. The energy difference between two electronic states is 46.12 "kcal"//"...

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  10. The correct statement(s) about Bohr’s orbits of hydrogen atom is/are -

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  11. The ratio of E (2) - E(1) to E(4) - E(3) for the hydrogen atom is appr...

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  12. Bohr's model can explain

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  13. When an electron jumps from L to K shell -

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  14. The potential energies of first, second and third Bohr’s orbits of He ...

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  15. The energy of electron in first Bohr's orbit of H-"atom" is - 13.6 eV ...

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  16. The frequency of the strong yellow line in the spectrum of sodium ...

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  17. The spectrum of He is expected to be similar to that of

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  18. Supposing the energy of fourth shell for hydrogen atom is - 50 a.u. (a...

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  19. Supposing the ionization energy of hydrogen atom is 640 eV. Point out ...

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  20. A 1-kW radio transmitter operates at a frequency of 880 Hz. How many p...

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