Thuy Duong N, Trung Ninh T. DEVELOPING STUDENTS GAINING KNOWLEDGE AND COMMUNICATION COMPETENCIES USING EXPERIMENTS IN TEACHING TOPICS REACTION RATE AND HALOGEN GROUP IN GRADE 10 CHEMISTRY. HNUE Journal of Science: Educational Science. 2025;70(1A):105-116. doi:10.18173/2354-1075.2025-0024