About Chemistry World
Chemistry World explains matter from atoms and elements to molecules, reactions, metals, acids, materials, food, batteries, medicines, and laboratory science in a conceptual and safe way.
The periodic table organizes all chemical elements by atomic number and repeating properties.
Chemists use specialized equipment to measure, mix, heat, cool, and separate substances.
Ionic solids form repeating crystal structures.
Atoms
Protons, neutrons, electrons, nuclei, isotopes, ions, and atomic models.
ExploreElements
Hydrogen, carbon, oxygen, iron, gold, noble gases, radioactive, and synthetic elements.
ExplorePeriodic Table
Atomic number, periods, groups, alkali metals, halogens, noble gases, metals, and trends.
ExploreMolecules & Bonds
Covalent bonds, ionic compounds, formulas, shapes, polarity, and intermolecular forces.
ExploreChemical Reactions
Reactants, products, equations, energy, rates, catalysts, redox, and equilibrium.
ExploreAcids & Bases
Acids, bases, pH, neutralization, indicators, buffers, environment, and safety.
ExploreStates of Matter
Solids, liquids, gases, plasma, melting, boiling, sublimation, and phase diagrams.
ExploreMetals
Metallic bonding, steel, aluminum, copper, alloys, corrosion, recycling, and ores.
ExploreChemistry in Everyday Life
Cooking, soap, medicines, batteries, plastics, color, food chemistry, and water treatment.
ExploreFamous Chemists
Lavoisier, Mendeleev, Curie, Pauling, Franklin, Carver, Haber-Bosch, and modern teams.
ExploreChemistry Facts
Amazing facts about atoms, water, diamond, gold, air, salt, color, and reactions.
ExploreGames
Play and learn with educational games.
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