Free chemistry companion — Bangladesh
Learn chemistry element by element, in Bangla and English.
All 118 elements with full notes, real-world uses, history, exam questions and learning tools — built for NCTB students.
- ✓ Works on any phone
- ✓ Bangla + English
- ✓ No account needed
118Elements fully documented
10Element categories
8Learning tools
708Exam-style questions
Interactive table
Explore all 118 elements.
Tap a tile for a quick preview, then open the full page. Search works in English and Bangla.
118Elements
Categories
1HHydrogen1.0082HeHelium4.00263LiLithium6.944BeBeryllium9.01225BBoron10.816CCarbon12.0117NNitrogen14.0078OOxygen15.9999FFluorine18.99810NeNeon20.18011NaSodium22.99012MgMagnesium24.30513AlAluminium26.98214SiSilicon28.08515PPhosphorus30.97416SSulfur32.0617ClChlorine35.4518ArArgon39.9519KPotassium39.09820CaCalcium40.07821ScScandium44.95622TiTitanium47.86723VVanadium50.94224CrChromium51.99625MnManganese54.93826FeIron55.84527CoCobalt58.93328NiNickel58.69329CuCopper63.54630ZnZinc65.3831GaGallium69.72332GeGermanium72.63033AsArsenic74.92234SeSelenium78.97135BrBromine79.90436KrKrypton83.79837RbRubidium85.46838SrStrontium87.6239YYttrium88.90640ZrZirconium91.22441NbNiobium92.90642MoMolybdenum95.9543TcTechnetium[98]44RuRuthenium101.0745RhRhodium102.9146PdPalladium106.4247AgSilver107.8748CdCadmium112.4149InIndium114.8250SnTin118.7151SbAntimony121.7652TeTellurium127.6053IIodine126.9054XeXenon131.2955CsCaesium132.9156BaBarium137.3372HfHafnium178.4973TaTantalum180.9574WTungsten183.8475ReRhenium186.2176OsOsmium190.2377IrIridium192.2278PtPlatinum195.0879AuGold196.9780HgMercury200.5981TlThallium204.3882PbLead207.283BiBismuth208.9884PoPolonium[209]85AtAstatine[210]86RnRadon[222]87FrFrancium[223]88RaRadium[226]104RfRutherfordium[267]105DbDubnium[268]106SgSeaborgium[269]107BhBohrium[270]108HsHassium[269]109MtMeitnerium[278]110DsDarmstadtium[281]111RgRoentgenium[282]112CnCopernicium[285]113NhNihonium[286]114FlFlerovium[289]115McMoscovium[290]116LvLivermorium[293]117TsTennessine[294]118OgOganesson[294]
Learn smarter
More than a table.
Use the table as a map for understanding groups, periods and real-world chemistry.
01Element pages
Every element has full notes — history, uses, characteristics and exam questions with complete model answers.
→02Groups & familiesSee why elements in the same column behave like siblings.
→03Periods & patternsFollow changes across a row and link them to electron structure.
→04Quiz & challengePractise with fresh questions and race the 60-second challenge.
→More than a table
Molar mass calculator, virtual lab, glossary, stories…
Nineteen features now power your study — every one documented, every one bilingual. See the full map.