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Class 9-10 Chemistry Periodic Table (Bengali Medium) — Electron Configuration Chart This is a Bangla-language educational chart featuring 36 important elements from the Periodic Table, tailored for class 9 and 10 students (based on the NCTB syllabus of Bangladesh). It includes: Element Names (in Bengali & English) Symbols Atomic Numbers & Mass Numbers Electronic Configuration across K, L, M, N, O, P, and Q shells Classification (metal, non-metal, metalloid, noble gas, etc.) ...