Chemistry

Articles about matter, substances, reactions and chemical science.

Articles in this category: 1474 Updated: April 29, 2026 Page 19 / 31

Mineralization

Mineralocorticoid

Mirex

Mixture

Mixture (chemistry)

Molar concentration

Molar concentration (molarity): definition, units, and applications

Molar heat capacity

Molar heat capacity: definition, units, measurement, and temperature dependence

Molar mass

Molar mass

The mass of one mole of a substance (g·mol⁻¹). Explains definition, calculation from atomic masses, isotopic averages, uses in stoichiometry, and common distinctions.

Mole (unit)

Molecular geometry

Molecular orbital

Molecular symmetry

Molecular vibrations

Molecular Vibrational Modes: Internal Atomic Oscillations and Bond Stretching

Molecule

Molybdenum

Monocalcium phosphate

Monomer

Monomer: definition, chemical types, polymerization and applications

Monosaccharide

Monosodium glutamate

Monosodium glutamate (MSG): properties, uses, safety, and history

Monounsaturated fat

Monounsaturated fat (MUFA)

Monsanto process

Monsanto process — catalytic carbonylation of methanol to acetic acid

Moonshine

Moonshine: Illicit and Unaged Distilled Spirit

Mortar (masonry)

Mortar (masonry): materials, history, types, and uses

Moscovium

Mothball

Mothball: chemical repellent used to protect stored textiles

Mutagen

Mutagen: agents and processes that change genetic material

Names for sets of chemical elements

Naphtha

Naphthalene

Natron

Natron: natural sodium carbonate mineral, composition, history, and uses

Natural gas

Neodymium

Neon

Neon

Neon: properties, production, and applications of the inert gas

Comprehensive overview of neon — the inert gas (Ne, atomic number 10): its key physical and chemical properties, industrial production by air separation, and applications from sign

Neptunium

Nerve agent

Neutralization

Nichrome

Nichrome: nickel‑chromium alloy used for heating elements

Nickel

Nickel — properties, history, uses, and health considerations

Nickel silver

Nickel silver: composition, properties, history and common uses

Nickel(II) carbonate

Nickel(II) carbonate (NiCO3)

Nickel(II) chloride

Nickel(II) chloride (NiCl2) — properties, uses and safety

Nickel(II) hydroxide

Nickel(II) nitrate

Nickel(II) oxide

Nickel(II) sulfate

Nickel(III) oxide

Nickel(III) oxide (Ni2O3): overview, properties, preparation and uses

Nicotine

Nihonium

Niobium

Niobium (Nb): properties, history, occurrence, and uses