Chemistry
Articles about matter, substances, reactions and chemical science.
Leaving group
Leaving group (chemistry)
Leclanche battery
Leclanché battery (zinc–carbon cell)
Lewis acid
Lewis acid: electron-pair acceptors in chemistry
Lewis structure
Lewis structure (electron-dot diagrams)
Lime (material)
Lime (building and industrial material)
Lime kiln
Lime kiln — production of quicklime, types, history and uses
Lindane
Lindane (gamma‑HCH): uses, properties, hazards and regulation
Line notation
Liquefied petroleum gas
Liquid
Liquid (state of matter): properties, behavior, and examples
Liquid crystal
Liquid crystal: properties, phases, history and uses
Liquid nitrogen
Lithium
Lithium carbonate
Lithium carbonate (Li2CO3)
Lithium chloride
Lithium hydroxide
Lithium hydroxide (LiOH): properties, production, and uses
Lithium nitrate
Lithium nitride
Lithium oxide
Lithium oxide (Li2O)
Lithium peroxide
Lithium peroxide (Li2O2): properties, production, uses and safety
Litmus paper
Livermorium
Livermorium (Lv) — synthetic element 116
Lone pair
Lone pair (nonbonding electron pair)
A lone pair is a pair of valence electrons localized on a single atom that do not participate in covalent bonding; they influence molecular shape, reactivity, and physical properti
Lubricant
Lubricant: properties, types, uses, history and environmental concerns
Lutetium
Lutetium (chemical element)
Lycopene
Lye
Macromolecule
Macromolecule: Large Biological and Synthetic Polymers
Mafic
Magnesium
Magnesium (chemical element)
Magnesium oxide
Magnesium sulfate
Maillard reaction
Malleability
Malleability — the ability of a material to be shaped under compressive stress
Maltose
Maltose (malt sugar): structure, occurrence, and uses
Manganate
Manganate (MnO4^2−): properties, chemistry and uses
Manganate refers to the tetraoxo anion MnO4^2−, a bright green manganese(+6) species analogous to chromate; it appears as an intermediate in permanganate production and has distinc
Manganese
Manganese: Properties, Uses, Occurrence, and Biological Roles
Manganese carbonate
Manganese carbonate (manganese(II) carbonate, MnCO3)
Manganese dioxide
Manganese fluoride
Manganese oxide
Manganese(II) chloride
Manganese(II) chloride: properties, preparation, uses, and safety
Manganese(II) fluoride
Manganese(II) fluoride (MnF2): properties, structure and applications
Manganese(II) oxide
Manganese(II) oxide (MnO) — properties, preparation, and uses