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The element having no neutron in the nuc...

The element having no neutron in the nucleus of its atom is-
(a). hydrogen
(b). nitrogen
(c). helium
(d). boron

A

Hydrogen

B

Nitrogen

C

Helium

D

Boron

Text Solution

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The correct Answer is:
A
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MOTION-ATOMIC STRUCTURE -EXERCISE-2 (LEVEL-I)
  1. The element having no neutron in the nucleus of its atom is- (a). hyd...

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  2. The ration of the e//m (specific charge) values of an electron and an ...

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  3. If radius of the nucleus is 3.5 xx 10 ^(-15)m then find the space or v...

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  4. The fraction of volume occupied by the nucleus with respect to the tot...

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  5. Which of the following is iso-electronic with neon?

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  6. The approximate size of the nucleus of .28^64 Ni is :

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  7. The light radiations with discrete quantities of energy are called …...

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  8. Radiation of lambda=155 nm was irradiated on Li(work function =5 eV) p...

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  9. The ratio of the energy of a photon of 2000Å wavelength radiation to ...

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  10. Electronmagnetic radiations having lambda=310Åare subjected to a metal...

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

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  12. If radius of second stationary orbit (in Bohr's atom) is R. Then radiu...

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  13. Radius of Bohr's orbit of hydrogen atom is

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  14. One the basis of Bohr's model, the radius of the 3rd orbit is :

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  15. Ratio of time period of electron in first and second orbit of H-atom w...

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  16. In the Bohr’s model, for unielectronic species following symbols are u...

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  17. The energy of electron is maximum at

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  18. Third line in Balmer series corresponds t o an electron transition bet...

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  19. The shortest wavelength of He^(+) in Balmer series is x. Then longest ...

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  20. An electron in a hydrogen atom in its ground state absorbs energy equa...

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