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If Aufbau's principle and Hund's rule we...

If Aufbau's principle and Hund's rule were not followed.

A

K would have been d-block element & paramagnetic

B

Cu would have been s-block element.

C

Cr would have been diamagnetic

D

None of these

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A, B, C
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ALLEN-QUANTUM NUMBER & PERIODIC TABLE-EXERCISE
  1. Select the correct statement(s).

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  2. Which of the following are correct

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  3. If Aufbau's principle and Hund's rule were not followed.

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  4. In halogen, which of the following properties increase from iodine to ...

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  5. ln which of the following sets of elements 1^(st) element is more meta...

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  6. Amongst the following statements, which is/are correct?

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  7. Select the correct statements (s)

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  8. Statement-1 : The groundstate configuration of Cr is [Ar] 3d^(5) 4s^(1...

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  9. Assertion: The first ionisation energy of Be is greater than that of B...

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  10. Statement-1 : IE(1) ofN is greater than 0 . Statement-2: N-atom is b...

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  11. Statement-1 : First electron gain enthalpy is alway -ve for an element...

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  12. Statement-1: Ionization potential of Sn is less than Pb. Statement-2...

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  13. Statement-1 : Electron gain enthalpy of Cl is largest in periodic tabl...

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  14. The general electronic configuration of outer most and penultimate she...

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  15. The number of protons present in the divalent cation of the element of...

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  16. Which of the following isoelectronic species has the largest radius?

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  17. If electrons are filled in the sub shells of an atom in the following ...

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  18. Match the characteristics mentioned in Column II with the process in C...

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  19. Match the column :

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  20. Match the column :

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