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the energy levels for Z^(+z-1) can be g...

the energy levels for ` Z^(+z-1)` can be given by :

A

` E_n for A ^(+ z =- 1) = Z^2 xx E_n for H`

B

` E_n for A ^(+ z =- 1) = Z xx E_n for H`

C

` E_n for A ^(+ z =- 1) = 1/Z^2 xx E_n for H`

D

` E_n for A ^(+ z =- 1) = 1/Z xx E_n for H`

Text Solution

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The correct Answer is:
A
` EHe^+ = E_H xx 2^2, E_(Li^(2+)) = E_H xx 3^2`.
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P BAHADUR-ATOMIC STRUCTURE-Exercise 3A
  1. Which d-orbital has different shape from rest of all d-orbitals ?

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  2. If uncertainty in possition of electron is zero, then the uncertainty...

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  3. the energy levels for Z^(+z-1) can be given by :

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  4. In s1 be the specific charge ( e//m) of cathode rays and (S2) be that...

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  5. For an electron in a hydrogen atom , the wave function Phi is propa...

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  6. Photoelectric effect shows :

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  7. If E(1),E(2) and E(3) represent respectively , the kinetic energies ...

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  8. When the frequency fo light incident an a metallic plate is doubled , ...

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  9. Braggs equation will have bno solution if :

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  10. The increasing order (lowest first) for the value of e//m ("charge" /...

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  11. How many unpaired electrons are there in Ni^(2+)?

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  12. The orbital diagram in which the Aufbau principle is violated is

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  13. Predict the total spring in Ni^(2+) ion :

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  14. Photoelectric emission is observed from a surface for frequencies v(1)...

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  15. Suppose a completely filled or half fillled set fo ( p) or d-orbitials...

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  16. The ratio of the differrence between the first and second Bohr orbit e...

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  17. The number of vacant d-orbitals in completely excited Cl atom is :

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  18. Isoelectronic structures among the following structures are : (I) CH...

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  19. Possible muber of orientations fo a subshell is :

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  20. If each hydrogen atom is excited by giveng 8. 4 eV of energy , then t...

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