Chemistry tools
Choose a tool to explore atoms, materials and molecules.
Lab game · v0.6.1
Chem Lab
Walk around a laboratory. Mix materials, use trays and equipment, grow crystals, collect gases and keep a notebook.
Open Chem Lab →Particles, isotopes and ionsAtom Builder
Add protons, neutrons and electrons. See how the element, charge and isotope change.
Open Atom Builder →Element pairs and bondingElement Builder
Explore 7,021 element pairs, formulas, masses and evidence for compounds.
Open Element Builder →Everyday materials and fuelsPractical Chemistry
Household compounds, pH, cooking, fuel energy and a molar-mass calculator.
Open Practical Chemistry →Medicines, psychoactives and research compoundsDrug Chemistry
88 compounds in 10 families. Search medical and nonmedical contexts, inspect structures and compare molecules.
Open Drug Chemistry →Sources and limitations are documented inside each tool. Drug Chemistry is a chemistry reference, not a preparation or treatment guide.