TY JOUR TI MODERN VARIANTS OF THE PERIODIC SYSTEM OF ELEMENTS OF D.I. MENDE-LEEV AND THEIR RELATIONSHIP WITH FEIGENBAUM CONSTANTS. KW Chemical element KW D.I. Mendeleev's table KW upper bound KW dyads KW linear dependence KW max element KW nature code KW world constants KW Universe KW non-electronic types of atoms. JO Technique and technology of silicates AU Sarkisov, Y.S. AU Sarkisov, D.Y. AU Zubkova, O.A. PY 2024 IS 31 PB Individual Entrepreneur Svetlana Vasilievna Samchenko