How many unpaired electrons are in a Mn atom?

1 Answer
IZUkuABA
Jun 23, 2018

5

Explanation:

Electronic configuration of Mn(ground state)=#1s^2 2s^2 2p^6 3s^2 3p^6 3d^5 4s^2#

In the 3d sub shell there are five orbitals each containing two electrons, and as electrons can only pair until every orbital in "degenerate" has been singly filled, so in d sub shell
each orbital has only one electron . so no. of unpaired electrons is 5

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