What is the ground-state electron configuration of a neutral atom of manganese?

1 Answer
anor277
Sep 2, 2017

Well, what is the atomic number of manganese....?

Explanation:

A quick glance at the Periodic Table tells me Z=25....and we merely follow the "aufbau principle....."

Mn, Z=25, 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^(5)....

And we could abbreviate this to....[Ar]4s^(2)3d^5.... Agree?

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