This is chemistry homework...
i'm confused
H = 1S1
He = 1S2
Li = 1S2
2S1
Be = 1S2
2S2
B = 1S2
2S2 2P1
C = 1S2
2S2 2P2
N = 1S2
2S2 2P3
Sc = 1S2
2S2 2P6 3S2 3P6 3D1 4S2
Ti = 1S2
2S2 2P6 3S2 3P6 4S2 3D2
Cr = 1S2
2S2 2P6 3S2 3P6 4S3 3D5
Cu = 1S2
2S2 2P6 3S2 3P3 4S1 3D10
Zn = 1S2
2S2 2P6 3S2 3P6 4S2 3D10
Sn = 5S2
4D10 5P2
Cl = 1S2
2S2 2P6 3S2 3P5
O = 1S2
2S2 2P4
I = 1S2 2S2 2P5
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