Easy
Which of the following orbitals are possible: $1p, 2s, 2p, 3f$?
- A$1p, 2s$
- B$2s, 2p$
- C$2p, 3f$
- D$1p, 3f$
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Similar Questions
Match List-$I$ with List-$II$ :
List-$I$ (Quantum numbers) List-$II$ (Orbital) $A$. $n = 2, l = 1$ $I$. $3d$ $B$. $n = 4, l = 0$ $II$. $2p$ $C$. $n = 5, l = 3$ $III$. $4s$ $D$. $n = 3, l = 2$ $IV$. $5f$
Choose the correct answer from the options given below :
| List-$I$ (Quantum numbers) | List-$II$ (Orbital) |
| $A$. $n = 2, l = 1$ | $I$. $3d$ |
| $B$. $n = 4, l = 0$ | $II$. $2p$ |
| $C$. $n = 5, l = 3$ | $III$. $4s$ |
| $D$. $n = 3, l = 2$ | $IV$. $5f$ |
Choose the correct answer from the options given below :
MediumNEET 2026
View SolutionIdentify degenerate orbitals from the following for a hydrogen atom.
Match 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 |
An atom has $2$ electrons in $K$ shell,$8$ electrons in $L$ shell and $6$ electrons in $M$ shell. The number of $s$-electrons present in that element is
Easy
View SolutionHow many unpaired electrons are present in the $Ni^{2+}$ cation (atomic number $= 28$)?
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