Solid State Synthesis of Mixed Metal Oxides investigates synthesizing new compounds through solid-state reactions of different metal combinations from groups 13, 14, 15, and chalcogens like sulfur. The methodology involved selecting and weighing elemental reactants, sealing them in a silica tube, and heating to induce oxidation reactions. Several ternary and quaternary combinations were tested. Results found oxide powders formed rather than expected crystals. While partially successful, limitations included time and equipment. Future work will explore new combinations with improved analysis to obtain unique compounds for technological applications.