Quantum Numbers

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Quantum Numbers: Overview

This topic covers concepts, such as, Quantum Numbers, Principle Quantum Number, Magnetic Quantum Number & Spin Quantum Number etc.

Important Questions on Quantum Numbers

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Which of the following is not permissible arrangement of electrons in an atom?

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Consider the following sets of quantum numbers :

  n 1 m s
(i) 3 0 0 +12
(ii) 2 2 1 +12
(iii) 4 3 -2 -12
(iv) 1 0 -1 -12
(v) 3 2 3 +12

which of the following sets of quantum number is not possible ?

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The orientation of an atomic orbital is governed by

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The number of orbitals possible for the following quantum numbers is/are

n=3,  l=2, m=+2

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The orbital angular momentum of a p-electron is given as:

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The allowed set of quantum numbers for an electron in a hydrogen atom is

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To which orbital among the following may an electron having zero angular momentum belong? 

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What is the correct set of four quantum numbers for the valence electrons of rubidium atom Z = 37?

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The sub-shell that comes after the f sub-shell is called the g sub-shell. What is true for the g sub-shell?

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On which orbital angular momentum of an electron is independent?

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Maximum number of electrons that can be accommodated in the subshell with azimuthal quantum number l=4, is:

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For a one-electron atom, the set of allowed quantum numbers is:

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What is the maximum number of orbitals having n=5 and l=3?

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The correct set of four quantum numbers for the valence electron of rubidium (Z=37) is

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Which set of quantum numbers is not possible?

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What is the maximum number of orbitals that can be identified with the following quantum numbers? n=3; l=l; ml=0;

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For Principal quantum number n=4, the total number of orbitals having l=3 is

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Maximum number of electrons in a subshell of an atom is determined by the following

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Principal, Azimuthal and magnetic quantum numbers are respectively related to

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The principle quantum number describes