Observed arrival · 2026-09-02
Formu10 Makes Chemical Formulas Show Their Work
A free Spanish-language chemistry tool that converts names to formulas and formulas to names, with step-by-step reasoning across three nomenclatures.
Field notes
The site accepts a formula or a compound name and maps between the two while exposing the charge-balancing logic behind the result. Its examples include Fe₂O₃, Ca(OH)₂, and sulfuric acid, and it distinguishes systematic, Stock, and traditional naming while marking the IUPAC-recommended option. The exercise area is described as covering secondary-school topics through second-year Bachillerato, with teacher-facing filters for compound type and nomenclature.
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