Easy
"Pairing of electrons in the orbitals belonging to the same subshell does not occur unless each orbital belonging to that subshell has got one electron each." This statement is known as
- APauli's exclusion principle
- BHund's rule
- CAufbau rule
- DHeisenberg uncertainty principle
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Similar Questions
Consider the Argon atom. For how many electrons does this atom have $m = 1$?
Easy
View SolutionAn electron having quantum numbers $n = 4, l = 3, m = 0, s = -1/2$ is present in which orbital?
Easy
View SolutionThe number of orbitals with $n = 5, m_{l} = +2$ is $......$ . (Round off to the Nearest Integer)
An ion with a charge of $-2$ has the electronic configuration $1s^2, 2s^2, 2p^6$. Identify the ion.
Easy
View SolutionMatch the entries in Column $I$ with the correctly related quantum number$(s)$ in Column $II$.
Column $I$ Column $II$ $A$. Orbital angular momentum of the electron in a hydrogen-like atomic orbital $p$. Principal quantum number $B$. $A$ hydrogen-like one-electron wave function obeying Pauli principle $q$. Azimuthal quantum number $C$. Shape,size and orientation of hydrogen-like atomic orbitals $r$. Magnetic quantum number $D$. Probability density of electron at the nucleus in hydrogen-like atom $s$. Electron spin quantum number
| Column $I$ | Column $II$ |
| $A$. Orbital angular momentum of the electron in a hydrogen-like atomic orbital | $p$. Principal quantum number |
| $B$. $A$ hydrogen-like one-electron wave function obeying Pauli principle | $q$. Azimuthal quantum number |
| $C$. Shape,size and orientation of hydrogen-like atomic orbitals | $r$. Magnetic quantum number |
| $D$. Probability density of electron at the nucleus in hydrogen-like atom | $s$. Electron spin quantum number |
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