29 CU:
1S^2, 2S^2, 2P^6, 3S^2, 3P^6, 4S^2, 3D^9
or
[Ar] 4S^2, 3D^9
but that is not the right answer.
They say it is: [Ar] 4S^1, 3D^9 and so does wiki.
Why?
2007-10-20 11:21:41 · 4 answers · asked by evilshenanegans 1 in Science & Mathematics ➔ Chemistry
[Ar] 4s^1 3d^10.
Copper is a special atom when it comes to electron configurations. It'd be much more happier (stable) if it's 3d orbital is completely filled. So, an electron come from the 4s orbital and jumps on to the 3d orbital. Same with Chromium, but it'll have half of it's 3d orbital filled.
2007-10-20 11:32:13 · answer #1 · answered by Eric 6 · 0⤊ 0⤋
yea def 4s1 and 3d10
and whoever put 3d9 on wiki is an idiot
2007-10-20 11:40:28 · answer #2 · answered by Zack C 3 · 0⤊ 0⤋
How about [Ar] 4s1 3d10.
2007-10-20 11:30:31 · answer #3 · answered by steve_geo1 7 · 0⤊ 0⤋
Vg
2016-05-23 22:29:42 · answer #4 · answered by ? 3 · 0⤊ 0⤋