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Three unpaired electron of nitrogen ...

Three unpaired electron of nitrogen atom can be examplained by …

A

Aufbau principle

B

Hund.s rule

C

Pauli.s exclusion principle

D

Heisenberg uncertainty

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The correct Answer is:
B
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KUMAR PRAKASHAN-STRUCTURE OF ATOM-Section -C (MCQs asked in Jee NEET AIEEE )
  1. An atom has the electronic configuration of 1s^(2) ,2s^(2) 2p^(6) ...

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  2. The maximum electron occupy in f orbital are

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  3. Three unpaired electron of nitrogen atom can be examplained by …

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  4. Which ion has 18 electron in its outermost orbit ?

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  5. Atomic radius of hydrogen atom H in Bohr.s model is

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  6. Which one of the following ions has the largest number of unpaire...

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  8. Which one is correct for hydrogen

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  9. The correct increasing order of energy is

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  10. Which one is correct for electron in 4f orbital

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  11. What will be the number of electron in ground state of Cr having s...

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  12. What is the angular momentum of electron in 5^(th) orbit of Bohr.s...

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  13. From the following which sets of ions is isoelectronic ?

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  14. For an electron v= 300 ms^(-1) and certainty in velocity is 0.001 %...

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  15. Who proposed that electron has wave nature ?

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  17. Which of the following sets of quantum numbers represents the high...

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  18. What is the orbital angular momentum for electron in 2s orbital ?

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  19. The ionization energy hydrogen atom is 13.6 ev .The ionization ...

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  20. Which of the following sets of quantum number is not possible ?

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