51

29Cu 1s2 2s2 2p6 3s2 3p6 3d10 4s
1s2 Zeff = 28-0.35=28.65
2s2 2p6 29-4.15=24.85
3s2 3p6 29-11.25=17.75
3d10 29-18x1.00-9x0.35=7.85
4s 29-21.9=7.10
Sum of Zeff=28.65+24.85+4/9x17.75+5/9x7.85+7.20/32
=65.97
Dia Conectim=3.552x10-5x75.97=2.34x10-3
37Rb 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s
1s2 zeff=37-0.35=36.65
2s2 2p6 37-4.15=32.85
3s2 3p6 37-11.25=25.75
3d10 37-21.15=15.85
4s2 4p6 37-22.15=14.85
5s 37-10x1.00-14x0.85 -7x0.35=12.65
37-28x1.00-8x0.85=2.2
sum of Zeff=36.65+32.85+4/9x25.75+5/9x15.85+1/4x12.65+2.2/50=92.95
Dia curtivm=3.552x10-5x92.95=3.30x10-3