Loquias, A.U. 2020. Effectiveness of the Enrichment Activity in Naming and Writing Chemical Formulas Among Grade 10 Students of Bilaran National High School. Instabright International Journal of Multidisciplinary Research. 2, 2 (Dec. 2020), 87–92. DOI:https://doi.org/10.52877/instabright.002.02.0002.