The binary representation is : 1111011001
copper
[Ar]3d9
[Ar] 4s2 3d9
[Ar]4s2 3d9
[Ar] 4s2 3d9
[Ar]3d9
1s2 2s2 2p6 3s2 3p6 4s2 3d9
[Ar] 4s2 3d8 or [Ar] 4s1 3d9
The actual for copper is 3d10 4s1. 3d10 4s2 is Zinc. 3d8 4s2 is Nickel. Among these Transition Metals [in this book], 3d9 4s2 is not listed. Help pls.
1s2 2s2 2p6 3s2 3p6. 4s2 3d9
The electron cofiguration of nickel is [Ar]4s1 3d9.
copper