(D) The Pauli Exclusion Principle states that in an atom or molecule,no two electrons can have the same set of all four quantum numbers $(n, l, m_l, m

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(D) The Pauli Exclusion Principle states that in an atom or molecule,no two electrons can have the same set of all four quantum numbers $(n, l, m_l, m_s)$.This principle implies that an orbital can hold a maximum of two electrons,and these two electrons must have opposite spins.

Class 11 Chemistry Structure of Atom Quantum number, Electronic configuration and Shape of orbitals

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In a given atom,no two electrons can have the same values for all the four quantum numbers. This is called:

AIPMT 1991 All AIPMT

A
Hund's rule
B
Aufbau's principle
C
Uncertainty principle
D
Pauli's exclusion principle

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Structure of Atom

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Quantum number, Electronic configuration and Shape of orbitals

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List the quantum numbers ($l$ and $m_{l}$) for an electron in a $3d$ orbital.

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The valence electrons in the carbon atom are

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An element in $+2$ oxidation state has $24$ electrons. The atomic number of the element and the number of unpaired electrons in it respectively are

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The atomic numbers of elements $X, Y$ and $Z$ are $19, 21$ and $25$ respectively. The number of electrons present in the $M$-shell of these elements follow the order:

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The relation between $n_m$ (the number of permissible values of magnetic quantum number $m$) and the azimuthal quantum number $l$ is given by:

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In a given atom,no two electrons can have the same values for all the four quantum numbers. This is called:

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List the quantum numbers ($l$ and $m_{l}$) for an electron in a $3d$ orbital.

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An element in $+2$ oxidation state has $24$ electrons. The atomic number of the element and the number of unpaired electrons in it respectively are

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