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How many electrons with l=2 are there in...

How many electrons with `l=2` are there in an atom having atomic number 54 ?

A

3

B

10

C

14

D

20

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • How many electrons in an atom have the following quantum numbers? n=4, m_(s)= -1//2

    A
    32
    B
    18
    C
    8
    D
    16
    • AAKASH INSTITUTE-STRUCTURE OF ATOM -ASSIGNMENT ( SECTION -B) Objective Type Questions (One option is correct)
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    2. The maximum number of electrons possible in subshell is equal to

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    3. The potential energy of an electron in hydrogen atom is -3.02 eV, its ...

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    4. In the emission line spectra of hydrogen atom, how many lines can be ...

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    5. Which set of quantum numbers is not consistent with theory?

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    6. The total number of electrons in a 4d subshell are

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    7. The correct set of quantum numbers for the unpaired electron of chlori...

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    8. The elctron identified by quantum numbers n and l (i) n=4,l=1 (ii) ...

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    9. Which of the following represent(s) the correct set of four quantum n...

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    10. How many 3d electrons can have spin quantum number - (1)/(2) ?

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    11. The total number of orbitals in a shell having principal quantum n ...

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    12. The momentum of a paricle which has a d-Broglie wavelength of 0.1 nm i...

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    13. Which of the following equation was suggested by de-Broglie?

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    14. Which have the same number of s-electrons as the d-electrons in Fe^(2...

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    15. The radius of 5^(@) Bohr orbit in hydrogen atom is

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    16. Which of the following ion has the maximum magnetic moment?

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    17. Radius of 2 nd shell of He^(+) is ( where a(0) is Bohr radius )

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    18. With increasing principal quantum number , the energy difference betwe...

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    19. H(α) line of Balmer series is 6500 Å . The wave length of H(gamma) is

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    20. Graph of incident freuency with stopping potential in photoelectric ef...

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