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Which of the following orbitals are poss...

Which of the following orbitals are possible ? (2s,1p,3f,2p)

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2s, 2p orbitals are possible among 2s, 1p, 3f, 2p and 1p, 3f orbitals are not possible.
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2p orbitals have :

Considerting x-axis as the internuclear axis, which out of the following atomic orbitals will form a sigma bond? a. 1s and 1s b. 1s and 2p_(x) c. 2p_(3) and 2p_(y) d. 1s and 2s

The electronic configuration of four elements L, P, Q and R are given below. L- 1s^2 2s^2 2p^4 P- 1s^2 2s^2 2p^6 3s^1 Q- 1^2 2s^2 2p^6 3s^2 3p^5 R- 1s^2 2s^2 2p^6 3s^2 . Which of the following are correct compounds formed by these elements?

Considering X-axis as the internuclear axis, which out of the following atomic orbitals will form a sigma bond ? a) 1S and IS b) 1S and 2 P_x c)2 P_y and 2P_y d) IS and 2S

Which of the following are correct ? (1) Electron density in XY plane for d_(x^(2)-y^(2)) orbital is zero. (2) The energy of 3p-orbital is higher than the energy of 2p-orbital. (3) 3p_(z) orbital has one angular node. (4) 4f-orbital has no radial node.

Which of the following arrangements of p orbitals gives the lowest energy orbital of 1,3-butadiene?

Give the order of filling of electrons in the following orbitals 3p, 3d,4p, 3d and 6s.

Which of the following electronic configurations has the lowest ionization enthalpy ? (a) 1s^2 , 2s^2 , 2p^6 , ,(b) 1s^2 , 2s^2 , 2p^6 (c) 1s^2 , 2s^2 , 2p^6 , 3s^2 .

Among the following pairs of orbitals which orbital will experience the larger effective nuclear charge ? (i) 2s and 3s (ii) 4d and 4f (iii) 3d and 3p

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-ATOMIC STRUCTURE-VERY SHORT ANSWER QUESTIONS
  1. What is Stark effect ?

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  2. To which element does the following electronic configuration correspon...

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  3. To which element does the following electronic configuration correspon...

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  4. To which element does the following electronic configuration correspon...

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  5. To which element does the following electronic configuration correspon...

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  6. Electrons are emitted with zero velocity from a metal surface when it ...

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  7. State and explain Pauli's exclusion principle.

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  8. What is Aufbau principle ?

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  9. What is Hund's rule ?

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  10. Explain Heisenberg's uncertainty principle .

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  11. What is the wavelength of an electron moving with a velocity of 2.0xx1...

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  12. An atomic orbital has n = 2 , what are the possible valuse of l and m...

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  13. Which of the following orbitals are possible ? (2s,1p,3f,2p)

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  14. The static electric charge on the oil drop is -3.2044xx10^(-19)C . Ho...

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  15. Arrange the following type of radiation in increasing order of frequen...

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  16. How many electrons in an atom may have n=4 and m(s)=+(1)/(2) ?

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  17. How many sub-shells are associated with n = 5 ?

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  18. Explain the particle nature of electromagnetic radiations .

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  19. Explain the significance of Heisenberg's uncertainty principle .

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  20. What series of lines are observed in hydrogen spectra ?

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