Question

new electric configuration of copper atomic number 29​

Answer 1

Hello mate

CHECK out this..

1s2 2s2 2p6 3s2 3p6 4s2 3d9...

Or you can also write it's as

[Ar] 3d10 4s1...

Cherrs ©

Answer 2

Answer:

[Ar]3d10 4s1 is the electronic configuration of Cu