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For sodium atom the number of electrons ...

For sodium atom the number of electrons with m=0 will be

A

2

B

7

C

9

D

8

Text Solution

Verified by Experts

The correct Answer is:
B
m = 0 for `5e^(-)` in s orbital and `2e^(-)` in p-orbital.
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ERRORLESS-STRUCTURE OF ATOM-NCERT BASED QUESTIONS (Quantum Number, Electronic Configuration and Shape of Orbitals)
  1. The element with quantum numbers n=2, l=1, m=1, s=-1/2 has the followi...

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  2. Electrons will first enter into which set of quantum numbers-n = 5, l ...

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  3. For sodium atom the number of electrons with m=0 will be

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  4. If n = 6, the correct sequence for filling of electrons will be.

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  5. Identify the CORRECT statement

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  6. The explanation for the presence of three unpaired electrons in the ni...

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  7. Pairing of electron in an degenerate orbitals takes place only when th...

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  8. Which of the following sequence is correct as per Aufbau principle ?

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  9. Electron enters the sub-shell for which (n+l) value is minimum. This i...

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  10. Following Hund's rule which element contains six unpaired electron

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  11. The orbital diagram in which the Aufbau's principle is violated is

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  12. Which of the following principles/limits the maximum number of electro...

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  13. The correct ground state electronic configuration of chromium atom is ...

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  14. An element forms diatomic molecule with a triple bond. The configurati...

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  15. Electronic configuration of deuterium atom is

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  16. Electronic configurations of Cu ( Z = 29) is

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  17. Krypton (At. No 36) has the electronic configuraiton [Ar] 4s^(2)3d^(10...

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  18. Correct configuration of Fe^"+3" [26] is

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  19. What is the electronic configuration of Cu^(2+)(Z=29) of least positio...

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  20. Which one is the ground state

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