Question

What is the no. Of unpaired electrons in Mn2+ ion?At no. Mn =25

Answer 1

Explanation:

the no of unpaired electron is 5 electron

Answer 2

5 unpaired electrons in $Mn^{2+}$ ion

Explanation:

Electronic configuration represents the total number of electrons that a neutral element contains. We add all the superscripts to know the number of electrons in an atom.

The electrons are filled according to Afbau's rule in order of increasing energies and thus the electronic configuration for Mangase with atomic number 25 is:

$Mn:25:1s^22s^22p^63s^23p^64s^23d^5$

$Mn^{2+}:23:1s^22s^22p^63s^23p^63d^5$

Thus there are 5 unpaired electrons in $Mn^{2+}$

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