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Element having no neutron is...

Element having no neutron is

A

hydrogen

B

nitrogen

C

helium

D

boron

Text Solution

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The correct Answer is:
A
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ALLEN-ATOMIC STRUCTURE-Exercise - 01
  1. Element having no neutron is

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  2. The particles present in the nucleus of an atom are-

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

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  4. Which of the following is iso-electronic with neon-

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

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  6. Which is true about an electron-

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  7. An isotone of .(32)^(76)Ge is-

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  8. When alpha particle are sent through a thin metal foil ,most of the...

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  9. Many elements have non-integral atomic masses, because:

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  10. The MRI (magnetic resonance imaging) body scanners used in hospitals o...

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  11. Photon of which light has maximum energy :

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  12. The value of Planck's constant is 6.63 xx 10^-34 Js. The velocity of l...

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  13. Bohr's theory is not applicable to-

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  14. What is likely to be principal quantum number for a circular orbit of ...

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  15. Which is the correct relationship-

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  16. If the value of E=-78.4 "kcal//mol", the order of the orbit in hydroge...

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  17. If velocity of an electron in 1st orbit of H atoms is V , what will b...

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  18. In a certain electronic transition in the hydrogen atoms from an init...

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  19. Match the following - {:((a),"Energy of ground state of" He^(+),(i)...

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  20. The energy of hydrogen atom in its ground state is -13.6 eV. The ener...

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