K

As

Pb

Cd

Cr

Cu

Zn

Hg

Lower

−0.839

+0.637

−0.544

+0.839

−0.454

−0.999*

−0.839

Lower middle

−0.018

+0.5

−0.866

+0.356

−0.866

−0.075

+0.866

Middle

−0.811

−0.772

−0.370

−0.820

+0.5

−0.757

−1*

High

−0.994*

−0.993*

+0.356

+0.300

−0.851

0.962

−0.999*