What is the electronic configuration of Mn3+?

1 Answer
Meave60
Dec 16, 2015

The electron configuration for a #"Mn"^(3+)"# ion is #"[Ar]3d"^4"#.

Explanation:

Manganese has atomic number 25, meaning its atoms have 25 protons in their nuclei. A neutral manganese atom also has 25 electrons. However, the manganese 3+ ion, #"Mn"^(3+)"#, has 22 electrons. This gives it 3 more protons than electrons, which gives it the 3+ charge.

The electron configuration in noble gas shorthand for a neutral Mn atom is #"[Ar]3d"^5"4s"^2"#. The electron configuration for a #"Mn"^(3+)"# ion is #"[Ar]3d"^4"#. The two 4s valence electrons and one 3d electron is removed.

Related questions
See all questions in Electron Configuration
Impact of this question
109606 views around the world
You can reuse this answer
Creative Commons License