Lably
Skip to contentE
- E numberCodes for food additives
- E–Z notationNotation in organic chemistry for double bonds
- E1cB-elimination reactionChemical reaction
- Eclipsed conformationMolecular form in which substituents on two adjacent atoms are closest together
- Edith KroupaAustrian chemist
- Edman degradationMethod of sequencing amino acids in a peptide
- Edmond FrémyFrench chemist
- Eduard BuchnerGerman chemist (1860–1917)
- Egypt, PennsylvaniaEgypt (Pennsylvania German: Iegypden) is an unincorporated community and census-designated
- Ei mechanismReaction mechanism in organic chemistry
- Ei-ichi NegishiJapanese chemist and Nobel laureate (1935–2021)
- Einhorn–Brunner reactionChemical reaction of imides with alkyl hydrazines
- EinsteiniumChemical element with atomic number 99 (Es)
- Elastic properties of the elements (data page)Chemical data page
- Elbs reactionChemical reaction
- Electrical contactElectrical circuit component
- Electrical polarityTerm used in electricity-related fields
- ElectrideIonic compound with electrons as the anion
- Electroanalytical methodsAnalytical methods in chemistry
- ElectrocatalystCatalyst participating in electrochemical reactions
- Electrochemical cellElectro-chemical device
- Electrochemical potentialIntensive physical property of substances
- Electrochemical promotion of catalysisThe electrochemical promotion of catalysis (EPOC) effect in the realm of chemistry refers
- Electrochemical reaction mechanismIn electrochemistry, an electrochemical reaction mechanism is the step-by-step sequence of
- Electrochemical reduction of carbon dioxideThe electrochemical reduction of carbon dioxide, also known as CO2RR, is a process that co
- Electrochemical stripping analysisMethod of chemical analysis
- ElectrochemiluminescenceEmission of light from electrochemical reactions
- ElectrochemistryBranch of physical chemistry
- Electrocyclic reactionOrganic reaction in which a pi bond and sigma bond are interconverted
- Electrode potentialElectromotive force of a cell built of two electrodes
- ElectrodialysisApplied electric potential transport of salt ions
- ElectroextractionElectroextraction (EE) is a sample enrichment technique that focuses charged analytes from
- Electroless nickel-phosphorus platingElectroless nickel-phosphorus plating, also referred to as E-nickel, is a chemical process
- ElectrolysisTechnique in chemistry and manufacturing
- Electrolysis of waterElectricity-induced chemical reaction
- ElectrolyteSubstance whose dissolved ions conduct electricity
- Electrolytic cellCell that uses electrical energy to drive a non-spontaneous redox reaction
- Electron acceptorChemical entity capable of accepting electrons
- Electron affinityEnergy release on formation of anions
- Electron affinity (data page)Chemical data page
- Electron capture ionizationElectron capture ionization is the ionization of a gas phase atom or molecule by attachmen
- Electron configurations of the elementsChemical data page
- Electron countingFormalism used for classifying compounds
- Electron donorChemical entity capable of donating electrons to another entity
- Electron localization functionMethod of measuring the extent of spatial localization of an electron
- Electron transferRelocation of an electron from an atom or molecule to another
- Electron-richGeneral term in chemistry
- Electron-withdrawing groupClass of chemical substituents
- Electronegativities of the elements (data page)Periodic table of electronegativity by Pauling scale → Atomic radius decreases → Ionizatio
- ElectronegativityTendency of an atom to attract a shared pair of electrons
- Electronic correlationInteraction between electrons, often complicating physical calculations
- Electronic effectInfluences on a molecule's properties not due to bonds or geometry
- ElectrophileChemical species that accepts an electron pair from a nucleophile
- Electrophilic additionChemical reaction
- Electrophilic aminationChemical process
- Electrophilic aromatic directing groupsIn electrophilic aromatic substitution reactions, existing substituent groups on the aroma
- Electrophilic aromatic substitutionChemical reaction which attaches an electrophile to an aromatic ring
- Electrophilic halogenationChemical reaction in which halogen substituents are added to aromatic molecules
- Electrophilic substitutionChemical reaction
- ElectrophoresisMotion of charged particles in electric field
- Electroshapable materialElectroshapable materials are composite materials from the class of thermoplastic material
- ElectrosynthesisSynthesis of chemical compounds in an electrochemical cell
- ElectrumAlloy of gold and silver
- Elemental analysisProcess of analytical chemistry
- Elementary reactionChemical reaction with a single step and transition state
- Elephant's toothpasteHot foamy substance
- Elimination reactionType of organic chemical reaction
- Elizabeth Eleanor FieldBritish chemist
- Ellingham diagramThermodynamic principle of metallurgy
- ElutionExtraction of a material by washing with a solvent
- EmbrittlementEmbrittlement is a significant decrease of ductility of a material, which makes the materi
- Emīlija GudrinieceLatvian chemist
- Emma ParmeeBritish chemist
- Empirical formulaSimplest whole number ratio of atoms present in a compound
- Empirical relationshipRelationship inferred from observation
- EmulsionMixture of two or more immiscible liquids
- Emulsion polymerizationPolymerization reaction among insoluble monomers in a solution
- EnamineClass of chemical compounds
- EnantiomerStereoisomers that are nonsuperposable mirror images of each other
- Enantiomeric excessHow much more of one enantiomer a sample of chiral substance contains
- Enantioselective reduction of ketonesEnantioselective ketone reductions convert prochiral ketones into chiral, non-racemic alco
- Enantioselective synthesisChemical reaction(s) which favor one chiral isomer over another
- End groupFunctional group at the extremity of an oligomer or other macromolecule
- Endohedral fullereneFullerene molecule with additional atoms, ions, or clusters enclosed within itself
- Endohedral hydrogen fullereneEndohedral fullerene containing molecular hydrogen
- Ene reactionReaction in organic chemistry
- EnediyneAny organic compound containing one double and two triple bonds
- Energy profile (chemistry)Representation of a chemical process as a single energetic pathway
- Engine knockingProblem in internal combustion engines
- EnolOrganic compound with a C=C–OH group
- EnolateOrganic anion formed by deprotonating a carbonyl (>C=O) compound
- Enone–alkene cycloadditionsChemical reaction
- Entropy of activationConcept in chemical kinetics
- ENUENU, also known as N-ethyl-N-nitrosourea (chemical formula C3H7N3O2), is a highly potent m
- Environmental chemistryScientific study
- Environmental isotopesThe environmental isotopes are a subset of isotopes, both stable and radioactive, which ar
- Enzyme mimicEnzyme mimic (or Artificial enzyme) is a branch of biomimetic chemistry, which aims at imi
- EPA list of extremely hazardous substancesThis is the list of extremely hazardous substances defined in Section 302 of the U.S. Emer
- EpimerOne of a pair of diastereomers
- EpoxideOrganic compounds with a carbon-carbon-oxygen ring
- EpoxyType of material
- Equilibrium chemistrySubdiscipline of chemistry concerned with chemical equilibrium
- Equilibrium constantChemical property
- Equilibrium fractionationPartial separation of isotopes in chemical equilibrium
- Equivalent (chemistry)An equivalent (symbol: officially equiv; unofficially but often Eq) is the amount of a sub
- ErbiumChemical element with atomic number 68 (Er)
- Erbium compoundsChemical compounds containing erbium
- Eric Jacobsen (chemist)Eric N. Jacobsen (born February 22, 1960, in New York City, New York) is the Sheldon Emery
- Eric V. AnslynEric V. Anslyn (born June 9, 1960, Santa Monica, California) is an American chemist , Univ
- Erlenmeyer–Plöchl azlactone and amino-acid synthesisSeries of chemical reactions
- ErythritolSugar alcohol that is used as a sweetener
- Eschenmoser fragmentationChemical reaction
- Eschweiler–Clarke reactionChemical reaction
- EsterCompound derived from an acid
- Étard reactionOxidisation reaction
- EthaneOrganic compound (H3C–CH3)
- Ethane (data page)This page provides supplementary chemical data on ethane.
- EthaniumIn chemistry, ethanium or protonated ethane is a highly reactive positive ion with formula
- EthanolOrganic compound
- Ethanol (data page)This page provides supplementary chemical data on ethanol.
- EthanolamineChemical compound
- EtherOrganic compounds made of alkyl/aryl groups bound to oxygen (R–O–R')
- Ether cleavageChemical reaction
- Ether lipidClass of chemical compounds
- EthoxylationChemical reaction between ethylene oxide and substrate
- Ethyl acetateOrganic compound (CH3CO2CH2CH3)
- Ethyl cyanoacrylateEthyl cyanoacrylate (ECA), a cyanoacrylate ester, is an ethyl ester of 2-cyano-acrylic aci
- Ethyl groupChemical group (–CH2–CH3)
- Ethyl nitriteThe chemical compound ethyl nitrite is an alkyl nitrite with a chemical formula C2H5NO2. I
- EthylamineChemical compound
- EthyleneHydrocarbon compound (H2C=CH2)
- Ethylene (plant hormone)Alkene gas naturally regulating the plant growth
- Ethylene glycolOrganic compound ethane-1,2-diol
- Ethylene glycol (data page)This page provides supplementary chemical data on ethylene glycol.
- EthylenediamineChemical compound
- Ethylenediaminetetraacetic acidChemical compound
- EthylvanillinEthylvanillin is the organic compound with the formula (C2H5O)(HO)C6H3CHO. This colorless
- Ethynyl radicalHydrocarbon compound
- Etymology of chemistryThe word chemistry derives from the word alchemy, which is found in various forms in Europ
- EucalyptolChemical compound
- EudiometerA eudiometer is a laboratory device that measures the change in volume of a gas mixture fo
- Eugène-Anatole DemarçayEugène-Anatole Demarçay (1 January 1852 – 5 March 1903) was a French chemist who designed
- EugenolChemical compound
- European Chemical Industry CouncilPrimary European trade association for the Chemical industry
- European Community numberIdentifier for substance regulated within EU
- European hazard symbolsPictograms for labelling chemicals in the European Union
- European law on drug precursorsEuropean law on illicit drug precursors:
- European route E117European Route E117 is part of the International E-road network, which is a series of main
- EuropiumChemical element with atomic number 63 (Eu)
- Europium compoundsChemical compounds
- Eutectic systemMixture with a lower melting point than its constituents
- EuxeniteEuxenite, or euxenite-(Y) (the official mineralogical name), is a brownish black mineral w
- ExcimerExcited dimeric molecule containing a noble gas
- Exothermic reactionChemical reaction releasing energy as light or heat
- Exothermic weldingExothermic welding, also known as exothermic bonding, thermite welding (TW), and thermit w
- Exposure assessmentMeasuring toxic or environment exposure
- Extended Hückel methodThe extended Hückel method is a semiempirical quantum chemistry method, developed by Roald
- Extended periodic tablePeriodic table of the elements with eight or more periods
- Extraction (chemistry)Separation of a desired substance from other substances in the sample
- Eyring equationChemical kinetics equation
