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What happens if the electrons in an atom...

What happens if the electrons in an atom were stationary ?

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If the electrons in an atom were stationary, they would fall into the nucleus due to electrostatic force of attraction between the electrons and the nucleus containing protons in it.
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MBD -HARYANA BOARD-ATOMS AND NUCLEI-OBJECTIVE TYPE QUESTIONS
  1. What happens if the electrons in an atom were stationary ?

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  2. If 13.6 eV energy is required to ionise the hydrogen atom, then energy...

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  3. If an electron jumps from 1st orbital to 3rd orbital, than it will.

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  4. ""(92)U^(238) rarr ""(90)Th^(234) + ""(2)X^(4), what is X ?

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  5. A radioactive element has half-life period 800 yr. After 6400 yr, what...

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  6. In Rutherford scattering experiment, what will b ethe correct angle fo...

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  7. .1 H^1 + .1H^1 + .1H^2 rarr X + .(+1)e^0 + energy. The emitted particl...

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  8. Which of the following isotopes is used for treatment of cancer ?

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  9. If half life of radioactive atom is 2.3 days, then its decay constant ...

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  10. A radioactive element .90 X^238 decay into .83 Y^222. The number of be...

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  11. The ionization of H-atom is :

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  12. The volume occupied by an atom is greater than the volume of the nucle...

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  13. What percentage (approximate) of original radioactive substance left a...

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  14. Which of the following particles has similar mass of electron ?

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  15. If half life period of radium is 1600 years, its average life period w...

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  16. The energy equivalent of one atomic mass unit is

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  17. Hydrogen bomb is based on the principle of

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  18. Energy generation in starts is mainly due to

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  19. Who discovered the nucleus ?

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  20. In nuclear reaction .(4)Be^(9)+.(2)He^(4)rarr.(6)C^(12)+X,X will be

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  21. What does X stand for in the given reaction ? ""(20)Ca^(41) rarr ""(...

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