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If the electronic structure of oxygen at...

If the electronic structure of oxygen atom is written as `1s^(2) , 2s^(2) it would violate

A

Hund’s rule

B

Paulis exclusion principle

C

Both Hund’s and Pauli’s principles

D

None of these

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MOTION-ATOMIC STRUCTURE -EXERCISE-1
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  2. For a given value of n (principal quantum number), the energy of diffe...

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  4. Suggest the angular and spherical nodes in a.4p b.3p c. 3s

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  5. For an 4py orbital, there are nodal plane……… and azimuthal quantum num...

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  6. In an electron microscope, electrons are accelerated to great velociti...

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  7. A 200 g cricket ball is thrown with a speed of 3.0 xx 10^3 cm sec^-1. ...

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  8. Which is the de-Broglie equation?

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  9. Which of the following has the largest de Broglie wavelength (all have...

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  10. A ball has a mass of 0.1 kg its velocity is 40 m/s, find out de Brogli...

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  11. Which of the following is the most correct expression for Heisenberg's...

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  12. The Heisenberg uncertainty principle can be applied to:

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  13. A helium atom at 300 K is moving with a velocity of 2.40 xx 10^(2) ms^...

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  14. The total number of orbitals associated with the principal quantum num...

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  15. Which of the following has the maximum number of unpaired electrons ?

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  16. If an electron has spin quantum number of -(1)/(2) and magnetic quant...

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  17. If the electronic structure of oxygen atom is written as 1s^(2) , 2s^(...

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  18. The energy of an electron of 2p(y) orbital is

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  19. The above configuration is not correct as it violates

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  20. The electronic configurations of Cr^24 and Cu^29 are abnormal -

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