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- N-MethylethanolamineN-Methylethanolamine is an alkanolamine with the formula CH3NHCH2CH2OH. It is flammable, c
- Nadrian SeemanNadrian C. "Ned" Seeman (December 16, 1945 – November 16, 2021) was an American nanotechno
- Names for sets of chemical elementsGroup of chemical elements
- Naming of chemical elementsChemical elements may be named from various sources: sometimes based on the person who dis
- NanocelluloseMaterial composed of nanosized cellulose fibrils
- NanocompositeSolid material with nano-scale structure
- Nanocrystalline materialType of polycrystalline material
- NanofiltrationFiltration method that uses nanometer sized pores in biological membranes
- NanofoamNanofoams are a class of nanostructured, porous materials (foams) containing a significant
- NanomaterialsMaterials with granular size 1 to 100 nm
- NanomechanicsNanomechanics is a branch of nanoscience studying fundamental mechanical (elastic, thermal
- NanophotonicsNanophotonics or nano-optics is the study of the behavior of light on the nanometer scale,
- Nanoporous materialsRegular organic or inorganic structure which supports a regular porous structure
- NanowireWire with a diameter in the nanometres
- NaphthaFlammable liquid hydrocarbon mixture
- NaphthaleneChemical compound
- Nathaniel Thomas LuptonAmerican chemist
- National Institute for Occupational Safety and HealthUS federal government agency
- Natural productChemical compound or substance produced by a living organism, found in nature
- Naturally occurring phenolsGroup of chemical compounds
- Nature ChemistryNature Chemistry is a monthly peer-reviewed scientific journal published by Nature Portfol
- Neil Bartlett (chemist)British chemist (1932–2008)
- Neil BrockdorffBritish biochemist (born 1958)
- Nenad TrinajstićNenad Trinajstić (26 October 1936 – 27 August 2021) was a Croatian chemist and one of pion
- NeodymiumChemical element with atomic number 60 (Nd)
- Neodymium magnetStrongest type of permanent magnet from an alloy of neodymium, iron and boron
- NeonChemical element with atomic number 10 (Ne)
- Neon compoundsClass of chemical compounds
- NeptuniumChemical element with atomic number 93 (Np)
- Nernst equationPhysical law in electrochemistry
- Network solidType of chemical bonding
- Neutralization (chemistry)Chemical reaction in which an acid and a base react quantitatively
- Neutron detectionNeutron detection is the effective detection of neutrons entering a well-positioned detect
- Nevil SidgwickNevil Vincent Sidgwick FRS (8 May 1873 – 15 March 1952) was an English theoretical chemist
- Newman projectionMethod of representing the conformation of a single molecular bond
- NFPA 704Hazmat labeling system
- NickelChemical element with atomic number 28 (Ni)
- Nickel allergyNickel allergy is any of several allergic conditions provoked by exposure to the chemical
- Nickel-62Isotope of nickel
- Nickel(II) sulfateNickel(II) sulfate, or just nickel sulfate, usually refers to the inorganic compound with
- NihoniumChemical element with atomic number 113 (Nh)
- Nikolay BeketovRussian-Ukrainian chemist
- NiobiumChemical element with atomic number 41 (Nb)
- NitratePolyatomic ion (NO3, charge –1) found in explosives and fertilisers
- Nitrate esterChemical group (–ONO2)
- Nitrate radicalNitrogen trioxide or nitrate radical is an oxide of nitrogen with formula NO3, consisting
- NitratineNitratine or nitratite, also known as cubic niter (UK: nitre), soda niter or Chile saltpet
- NitrationChemical reaction which adds a nitro (–NO2) group onto a molecule
- Nitric acidHighly corrosive mineral acid
- Nitric oxideColorless gas with the formula NO
- NitrideCompound of nitrogen with a formal oxidation state of –3
- NitridingNitriding is a heat treating process that diffuses nitrogen into the surface of a metal to
- Nitrile hydrataseNitrile hydratases (NHases; EC 4.2.1.84) are mononuclear iron or non-corrinoid cobalt enzy
- Nitrile rubberChemical compound
- NitriteThe anion form of nitrogen dioxide
- Nitro compoundOrganic compound containing an –NO2 group
- NitrocelluloseHighly flammable compound
- NitrogenChemical element with atomic number 7 (N)
- Nitrogen compoundsAny chemical compound having at least one nitrogen atom
- Nitrogen dioxideCompound containing nitrogen and oxygen
- Nitrogen oxideIndex of chemical compounds with the same name
- NitroglycerinChemical compound
- NitroneIn organic chemistry, a nitrone is a functional group consisting of an N-oxide of an imine
- NitrosoniumDiatomic cation
- Nitrous acidChemical compound
- Nitrous oxideColourless non-flammable greenhouse gas
- Nitroxide-mediated radical polymerizationMethod of radical polymerization
- NMR tubeAn NMR tube is a thin glass walled tube used to contain samples in nuclear magnetic resona
- Nobel Prize in ChemistryOne of the five Nobel Prizes established in 1895 by Alfred Nobel
- NobeliumChemical element with atomic number 102 (No)
- Noble gasGroup of low-reactive, gaseous chemical elements
- Noble gas compoundChemical compound containing a noble gas element
- Noble metalMetallic elements that are nearly chemically inert
- NomenclatureSystem of names or terms in a particular field of arts or sciences
- Nomenclature of Organic ChemistryBook describing the nomenclature of organic compounds
- Non-bonding orbitalMolecular orbital
- Non-contact atomic force microscopyNon-contact atomic force microscopy (nc-AFM), also known as dynamic force microscopy (DFM)
- Non-coordinating anionAnion which interacts weakly with cations
- Non-covalent interactionChemical bond which does not involve the sharing of electrons
- Non-nucleophilic baseSterically hindered organic base
- Non-proteinogenic amino acidsAmino acids not naturally encoded in the genome
- Non-stoichiometric compoundChemical compounds that cannot be represented by an empirical formula
- NonmetalCategory of chemical elements
- Norbert BischofbergerAustrian scientist
- Norman GreenwoodAustralian chemist (1925–2012)
- Norman HaworthBritish chemist (1883–1950)
- Nuclear chemistryBranch of chemistry dealing with radioactivity, transmutation and other nuclear processes
- Nuclear emulsionType of particle detector
- Nucleic acid designNucleic acid design is the process of generating a set of nucleic acid base sequences that
- NucleophileChemical species that donates an electron pair
- Nucleophilic additionChemical reaction involving the addition of a nucleophile to an electrophile
- Nucleophilic aromatic substitutionChemical reaction mechanism
- Nucleophilic substitutionChemical reaction in which a nucleophile is affixed to the substrate
- NuclideAtomic species
- Number densityDegree of concentration of countable objects
- NylonEarly synthetic polymer developed as a textile fiber
- Nylon 6Chemical compound