Filling of Electrons in Orbitals

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Filling of Electrons in Orbitals: Overview

This topic covers concepts, such as, Rules for Filling Electrons, Pauli's Exclusion Principle, Exceptions to Aufbau Principle & (n+l) Rule etc.

Important Questions on Filling of Electrons in 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

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An ion has 18 electrons in the outermost shell is:

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If n = 6, the correct sequence for filling of electrons will be :

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Number of unpaired electrons in N2+ is

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

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For which one of the following sets of four quantum numbers, an electron will have the highest energy?

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The order of filling of electrons in the orbitals of an atom will be

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Assertion : The 19th electron in potassium atom enters into 4s-orbital and not the 3d-orbital.

Reason : (n + l) rule is followed for determining the orbital of the lowest energy state.

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The maximum nuber of electrons that can be filled in the shell with the principal quantum number n=3 is

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In the electronic configuration of which of the given elements, 'Aufbau principle' or n+l rule is violated?

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In any atom which sub-shell will have the highest energy in the following

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If the principal quantum number n=6, the correct sequence of filling of electrons will be:

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When 4f level is completely filled with electrons, the next electron will enter into the sub-shell whose (n+l) is equal to:

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The total number of electrons present in all the p-orbitals in the ground state of Se34 are

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What is the total number of unpaired electrons in one mole of 29Cu?

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The orbital diagram in which both the Pauli's exclusion principle and Hund's rule are violated is

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Which is the correct order of increasing energy of the listed orbitals in the atom of titanium?

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'The orbitals of equal energy (degenerate) are occupied with one electron each before the pairing of electron starts.' This is according to the:

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Which of the following shell have maximum 32 electrons?

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Electronic configuration of Na+ and Cl- are: