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>>Class 11
>>Chemistry
>>Structure of Atom
>>Filling of Orbitals in Atom
>> $What is the electron configuration for m$

Question

What is the electron configuration for manganese?

A

$1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{5}$

B

$[A r] 4 s^{1}$

C

$1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} 3 d^{5}$

D

$1 s^{2} 2 s^{2} 2 p^{1}$

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Updated on : 2022-09-05

Solution

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Correct option is C)

The atomic number of Manganese (Mn) is $25$ . Thus its electronic configuration is $[A r] 4 s^{2} 3 d^{5}$ or

$1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} 4 d^{5}$ . Thus answer is option C.

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