Medium
The correct ground state electronic configuration of chromium atom is
- A$[Ar] \, 3d^5 \, 4s^1$
- B$[Ar] \, 3d^4 \, 4s^2$
- C$[Ar] \, 3d^6 \, 4s^0$
- D$[Ar] \, 4d^5 \, 4s^1$
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Magnetic and spin quantum number of an electron are $-1$ and $+1/2$ respectively. This electron cannot be in
Medium
View Solution"No two electrons in an atom can have the identical set of four quantum numbers." The statement is known as
In which of the following,orbitals are correctly arranged in the increasing order of their energies?
Which of the following statements is true for $Cu$ $(Z = 29)$?
Difficult
View SolutionMatch the items in List-$A$ with the items in List-$B$ and select the correct option.
List-$A$ List-$B$ $(1)$ Principal quantum number $(A)$ Shape of the orbital $(2)$ Azimuthal quantum number $(B)$ Spin of the electron $(3)$ Magnetic quantum number $(C)$ Orientation of the orbital in space $(4)$ Spin quantum number $(D)$ Size of the orbital
| List-$A$ | List-$B$ |
| $(1)$ Principal quantum number | $(A)$ Shape of the orbital |
| $(2)$ Azimuthal quantum number | $(B)$ Spin of the electron |
| $(3)$ Magnetic quantum number | $(C)$ Orientation of the orbital in space |
| $(4)$ Spin quantum number | $(D)$ Size of the orbital |
Easy
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