What information is presented in the chart at the top of the image?

The chart at the top of the image displays a series of chemical elements along with numerical values. The top row labels are in Russian: "Восстановительная способность" (Reducing ability) and "Окислительная способность" (Oxidizing ability). The elements listed include Ca, Na, La, Mg, Al, Mn, Zn, Cr, Fe, Cd, Co, Ni, Sn, Pb, H₂, Cu, and Hg. Below each element's symbol, there are corresponding numerical values, which likely represent standard electrode potentials or similar electrochemical data.