Chemistry
Articles about matter, substances, reactions and chemical science.
Iron sulfide
Iron sulfide and related iron–sulfur compounds
Iron(II,III) oxide
Iron(II,III) oxide (magnetite): properties, structure, uses
Iron(II) chloride
Iron(II) hydroxide
Iron(II) hydroxide (Fe(OH)2) — properties, formation, and uses
Iron(II) oxide
Iron(II) oxide (FeO): properties, formation, and uses
Iron(II) sulfate
Iron(III) chloride
Iron(III) nitrate
Iron(III) oxide
Iron(III) oxide (Fe2O3): properties, occurrence and uses
Iron(III) sulfate
Isodesmic reaction
Isolobal principle
Isolobal principle: relating molecular fragments by frontier orbitals
Isomer
Isotope
Isotope — definition, properties, and uses
Isotope electrochemistry
Isotopes of hydrogen
Isotopes of Hydrogen: Protium, Deuterium, Tritium and Beyond
Jet fuel
John Newlands
Kerosene
Kerosene (paraffin oil): properties, production, uses, and safety
Ketone
Kilojoule per mole
Kilojoule per mole (kJ/mol)
Krypton
Laboratory glassware
Laboratory glassware: types, materials, uses, and safety
Laboratory techniques
Lactic acid
Lactic acid: properties, production, uses, and biological role
Lactose
Lanthanide
Lanthanide (lanthanoid) elements: properties, chemistry, uses, and history
Lanthanum
Lanthanum: properties, history, occurrence and uses
Law of definite composition
Law of Definite Composition (Law of Definite Proportions)
Principle that a pure chemical compound always contains the same proportion of elements by mass; its statement, history, examples, importance for stoichiometry, and common exceptio
Lawrencium
Lawrencium (Element 103)
Le Chatelier's principle
Le Châtelier's principle
Lead
Lead arsenate
Lead azide
Lead azide (lead(II) azide): properties, uses, and safety
Lead carbonate
Lead carbonate (PbCO3): properties, preparation, uses and hazards
Lead glass
Lead nitrate
Lead oxide
Lead telluride
Lead telluride (PbTe): properties, structure, and applications
Lead(II,IV) oxide
Lead(II) acetate
Lead(II) acetate (sugar of lead)
Lead(II) bromide
Lead(II) bromide (plumbous bromide, PbBr2)
Lead(II) chloride
Lead(II) chloride (PbCl2): properties, occurrence, uses and safety
Lead(II) oxide
Lead(II) sulfate
Lead(II) sulfide
Lead(IV) acetate
Lead(IV) oxide
Lead(IV) oxide (lead dioxide, PbO2)