Chemistry tools
Class 11 and 12 chemistry the way JEE and NEET test it: calculators that show their working, element tables and formula lists.
- Periodic tableAll 118 elements. Tap one for its mass, block and configuration.
- Electronic configurationShort and full configuration of all 118 elements.
- Hybridization calculatorShape, bond angle and lone pairs of a molecule (VSEPR).
- Bond order calculatorMO diagram, bond order and magnetism of O₂, N₂, CO and more.
- Chemical equation balancerType any reaction, get the balanced equation and atom count.
- Oxidation number calculatorOxidation state of each element in a formula or ion, with the rules.
- Molar mass calculatorMolar mass, % composition and grams to moles for any formula.
- Common names and formulasBaking soda, washing soda, bleaching powder and 40 more, with formulas and uses.
- Empirical formula calculatorEmpirical and molecular formula from % composition.
- Molarity calculatorMolarity, normality, mass needed and dilution, with steps.
- pH calculatorpH, pOH, [H⁺] and [OH⁻] for strong and weak acids and bases, with steps.
- Ideal gas law calculatorPV = nRT for pressure, volume, moles or temperature.
- First 30 elementsNames, symbols, atomic masses, valency and configuration.
- Chemistry formula sheetPhysical chemistry formulas and constants in one place.
- Named reactions listEvery NCERT named reaction with reagents and products.
- Inorganic chemistry factsFlame tests, ion and precipitate colours, ores and common names.
Pages students open most
Hybridization of XeF₄Hybridization of SF₄Bond order of O₂Electronic configuration of Iron (Fe)Electronic configuration of Copper (Cu)Molar mass of H2SO4Oxidation number of Mn in KMnO4Chemical formula of baking sodaChemical formula of plaster of Paris