I need help please..?

0 ⤊

I need help please..?

what is the electron configuration of Mn(3+)

2006-11-08 09:54:49 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

it would be [Ar] first right?

2006-11-08 10:09:55 · update #1

2 answers

Mn(+3) has the electronic configuration of 1s(2) 2s(2) 2p(6) 3s(2) 3o(6) 3d(2)

the one before me missed the 4s2 so his is wrong

2006-11-08 10:04:20 · answer #1 · answered by sexy_angel_0822 3 · 0⤊ 0⤋

The electron configuration of a neutral Mn atom with atomic number Z = 25 is:

1s2 2s2 2p6 3s2 3p6 3d5 4s2

So the electron configuration of the cation Mn(3+) is

1s2 2s2 2p6 3s2 3p6 3d4

2006-11-08 10:01:30 · answer #2 · answered by Dimos F 4 · 0⤊ 0⤋