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Atomic number is equal to the...

Atomic number is equal to the

A

number of neutrons in the nucleus

B

number of protons in the nucleus

C

sum of protons and neutrons

D

atomic mass of the element

Text Solution

Verified by Experts

The correct Answer is:
B
Atomic number is equal to number of protons in the nucleus.
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DINESH PUBLICATION-ATOMIC STRUCTURE-Revision Questions
  1. The radius of second Bohr's orbit is

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  2. Cathode rays are

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  3. Atomic number is equal to the

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  4. For which of the following sets of quantum numbers, an electrons will ...

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  5. Which one of the following pairs of atoms/atom-ion have identical grou...

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  6. The set of quantum number not applicable to an electron

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  7. Which of the following electronic configuration is not possible?

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  8. The uncertainty in the position of an electron moving with a velocity ...

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  9. The radus of hydrogen atom in the ground state 0.53 Ã…. The radius of ...

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  10. The splitting of line into groups under the effect of magnetic field i...

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  11. Azimuthal quantum number of last electron of .(11)Na is

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  12. Azimuthal quantum number determines the

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  13. Rutherford's experiment led to the discovery of

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  14. Electronic configuration of .(29)Cu in ground state is :

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  15. The number of d electrons in Fe^(2+) (atomic number of Fe = 26) is not...

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  16. The radius of the atom is of the order of

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  17. Maximum number of orbitals is given shell identified by the principal ...

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  18. The configuration 1s^(2) 2s^(2) 2p^(5) 3s^(1) shows

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  19. Electronic configuration of .(21)Sc is

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  20. Which of the following expressions gives the de-Broglie relationship?

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