Proton is

A

Nucleus of deuterium

B

Ionised hydrogen molecule

C

Ionised hydrogen atom

D

An `alpha-"particle"`

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The correct Answer is:
C
( c) Proton is ionised hydrogen atom, i.e., `H^+`.
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A2Z-ATOMIC STRUCTURE-Section D - Chapter End Test
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  3. The uncertainty in the position of an electron (mass = 9.1 xx 10^-28 g...

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  4. The position of both an electron and a helium atom is known within 1.0...

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  5. Atom consist of electrons , protons and neutrons . If the mass attribu...

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  6. The energy of the electron in the first orbit of He^+ is - 871.6 xx 10...

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  7. The total number of valence electrons in 4. 2g of N3^- ion are :

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  8. The number of nodal planes in a px orbital is.

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  9. The frequency of one of the lines in Paschen series of hydrogen atom i...

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  10. Rutherford's scattering experiment is related to the size of the

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  11. Which one of the following is considered as the main postulate of Bohr...

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  12. The wavelength of the radiations emitted when in a hydrogen atom elect...

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  13. Calculate de Broglie wavelength of an electron travelling at 1 % of th...

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  14. According to Heisenberg's uncertainly principle.

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  15. The correct set of four quantum number for the valence (outermost) ele...

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  16. Which one is the correct outer configuration of chromium.

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  18. How many chlorine atoms can you ionize in the process Cl rarr Cl^+ + e...

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  19. If value of azimuthal quantum number l is 2, then total possible value...

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  20. Elements up to atomic number 103 have been synthesized and studied. If...

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  21. When 3d orbital is complete, the new electron will enter the

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