This study aims to develop a chem-edutainment-based e-module to improve student learning outcomes at Parulian 2 Private High School, Medan. The research was conducted during the even semester of the 2025/2026 academic year, involving Grade XI students as research subjects. The study employed the Research and Development (R&D) method using the 4D development model, which consists of the define, design, develop, and disseminate stages. The sample comprised 26 students who participated in instruction using the developed e-module. The results indicate that the developed e-module met feasibility criteria, with average ratings of 85.9% from subject matter experts and 88% from media experts, placing it in the "highly valid" category. Furthermore, there was a significant improvement in student learning outcomes; the average pre-test score was 24.03 and the post-test score was 78.65, with an N-Gain of 0.72, indicating a high level of improvement. Student response also showed a satisfaction rate of 89.65%. The study concludes that the chem-edutainment-based e-module can enhance student learning outcomes regarding chemical bonding material.
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