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For the electrons of oxygen atom, which ...

For the electrons of oxygen atom, which of the following statemetns correct?

A

`Z_("eff")` for an electron in a 2s orbital is the same as `Z_("eff")` for an electron in a 2p orbital.

B

An electron in the 2s orbital has the same energy as an electron in the 2p orbital.

C

`Z_("eff")` for an electron in 1s orbital is the same as `Z_("eff")`for an electron in a 2s orbital.

D

The two electrons present in the 2s orbital have spin quantum numbers `m_(s)` but of opposite sign.

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The correct Answer is:
D
is the correct answer.
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DINESH PUBLICATION-STRUCTURE OF ATOM-Multiple choice questions (Type-I)
  1. Total number of orbitals associated with thrid shell will be.....

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  2. Orbital angular momentum depends on .........

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  3. Chlorine exists in two isotopic forms Cl-37 and Cl-35 but its atomic m...

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  4. Which one of the following pairs of ions have the same electronic conf...

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  5. For the electrons of oxygen atom, which of the following statemetns c...

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  6. It travelling at same speeds, whichof the following mater waves have t...

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  7. Identify the paris which are not of isotopes?

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  8. Out of the folowing paris of electorns, identify the pairs of electron...

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  9. Which of the following sets of quantum numbers are correct? n l m n ...

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  10. In which of the following pairs, the ions are iso-electronic ?

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  11. Which of the following statements concerning the quantum numbers are c...

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  12. Match the following species with their corresponding ground state elec...

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  13. Match the quantum numbers with the information provided by these. {:...

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  14. Match the following rules with their statement : {:(,"Rules",,"State...

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  15. Match the following : {:("(a)","X-rays",("i"),"v"=10^(0)-10^(4)"Hz",...

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  16. Match the following : {:("(a)","Photon","(i)","value is 4 for N-shel...

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  17. Match species given in Column I with the electronic configuration give...

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  18. Assertion(A): All isotopes of a given element show the same type of ch...

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  19. Assertion(A) Black body is an ideal body that emits and absorbs radiat...

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  20. Assertion (A) It is impossible to determine the exact position and exa...

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