Easy
Which of the following is the correct electronic configuration of $Cr$?
- A$[Ar] \, 3d^4 \, 4s^2$
- B$[Ar] \, 3d^5 \, 3s^2$
- C$[Ar] \, 3d^5 \, 4s^1$
- D$[Ar] \, 3d^5 \, 3s^1$
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Similar Questions
The value of the magnetic quantum number of the outermost electron of $Zn^{+}$ ion is $.....$ .
Consider the following statements :
$(a)$ Electron density in the $xy$ plane in $3d_{x^2-y^2}$ orbital is zero.
$(b)$ Electron density in the $xy$ plane in $3d_{z^2}$ orbital is zero.
$(c)$ $2s$ orbital has one nodal surface.
$(d)$ For $2p_z$ orbital,$yz$ is the nodal plane.
Select the incorrect statements $:-$
$(a)$ Electron density in the $xy$ plane in $3d_{x^2-y^2}$ orbital is zero.
$(b)$ Electron density in the $xy$ plane in $3d_{z^2}$ orbital is zero.
$(c)$ $2s$ orbital has one nodal surface.
$(d)$ For $2p_z$ orbital,$yz$ is the nodal plane.
Select the incorrect statements $:-$
Easy
View SolutionWhat is the maximum number of electrons that can have a spin quantum number of $-1/2$ in the $4s$ orbital?
Difficult
View SolutionThe total number of atomic orbitals in the fourth energy level of an atom is
Which of the following sets of species has the $3^{rd}$ principal energy level $(n=3)$ completely filled?
Medium
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