Fig. (7) The electron energy distribution functions in the mixture: HgBr₂: HgI₂: He = 0.0031: 0.0018: 0.9951 at a total pressure of the mixture P = 162.8 kPa for the values of the parameter E/N: 1 (1), 25.8 (2), 50.5 (3), 75.3 (4), 100 (5) Td; on the inset - the dependence of mean electron energy on the parameter E/N.