{"/e/reaction-mechanisms-and-kinetics/ring-flip/": {"t": "Ring flip", "s": "Ring flip interconverts cyclic conformers, exchanging axial and equatorial positions."}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/polyatomic-ion/": {"t": "Polyatomic ion", "s": "Covalently bonded atoms behaving as a single charged unit."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-equilibrium/": {"t": "Chemical equilibrium", "s": "State where forward and reverse reaction rates are equal."}, "https://codexery.com/thermodynamics-and-statistical-mechanics/e/thermodynamics-and-statistical-mechanics/thermodynamic-free-energy/": {"t": "Thermodynamic free energy", "s": "Free energy measures work available at constant temperature."}, "https://codexery.com/energy-power/e/energy-and-power/petrochemical/": {"t": "Petrochemical", "s": "Chemical products derived from petroleum and other fossil fuels."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/alkane/": {"t": "Alkane", "s": "Acyclic saturated hydrocarbons forming a homologous series."}, "https://codexery.com/chemistry/e/chemistry/hydrocarbon/": {"t": "Hydrocarbon", "s": "Organic compounds of hydrogen and carbon, key to global energy."}, "https://codexery.com/biochemistry-and-cell-biology/e/biochemistry-and-cell-biology/carbohydrate/": {"t": "Carbohydrate", "s": "Carbohydrates are sugars and their derivatives, central to life and nutrition."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/organometallic-chemistry/": {"t": "Organometallic chemistry", "s": "Study of compounds with metal-carbon bonds, bridging inorganic and organic chemistry."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-kinetics/": {"t": "Chemical kinetics", "s": "The branch of physical chemistry concerned with understanding the rates of chemical reactions.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/chemical-kinetics.webp", "c": "Wikimedia Commons · Public domain"}, "/e/reaction-mechanisms-and-kinetics/rate-determining-step/": {"t": "Rate-determining step", "s": "The slowest step that governs overall reaction rate."}, "/e/reaction-mechanisms-and-kinetics/reaction-mechanism/": {"t": "Reaction mechanism", "s": "Theoretical sequence of steps describing a chemical reaction."}, "/e/reaction-mechanisms-and-kinetics/sn2-reaction/": {"t": "SN2 reaction", "s": "Concerted nucleophilic substitution with inversion at carbon."}, "/e/reaction-mechanisms-and-kinetics/transition-state/": {"t": "Transition state", "s": "Highest-energy configuration along a reaction coordinate."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/organic-chemistry/": {"t": "Organic chemistry", "s": "Study of carbon compounds, basis of life and industry."}, "https://codexery.com/international-organizations-and-agreemen/e/international-organizations-and-agreements/international-union-of-pure-and-applied-chemistry/": {"t": "International Union of Pure and Applied Chemistry", "s": "International authority for chemical nomenclature and standards."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/nitrogen/": {"t": "Nitrogen", "s": "Nitrogen is a colourless, odourless diatomic gas forming 78% of Earth's air."}, "/e/reaction-mechanisms-and-kinetics/transition-state-theory/": {"t": "Transition state theory", "s": "Theory explaining reaction rates via activated complexes."}, "/e/reaction-mechanisms-and-kinetics/sn1-reaction/": {"t": "SN1 reaction", "s": "A substitution reaction with a unimolecular rate-determining step."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/elimination-reaction/": {"t": "Elimination reaction", "s": "Organic reaction removing substituents to form a pi bond."}, "https://codexery.com/acids-and-bases/e/acids-and-bases/acid-dissociation-constant/": {"t": "Acid dissociation constant", "s": "Quantitative measure of acid strength in solution.", "i": "https://codexery.com/acids-and-bases/img/acids-and-bases/acid-dissociation-constant.webp", "c": "Д.Ильин own work, vectorization, based on File:Citric acid speciation.png by Pet · CC BY-SA 4.0"}, "https://codexery.com/acids-and-bases/e/acids-and-bases/conjugate-acid-base-theory/": {"t": "Conjugate (acid-base theory)", "s": "Conjugate pairs form when acids donate protons to bases."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/ketone/": {"t": "Ketone", "s": "Organic compounds with a carbonyl group bonded to two carbons."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/amide/": {"t": "Amide", "s": "Amides are organic compounds linking amino acids into proteins."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/e1cb-elimination-reaction/": {"t": "E1cB-elimination reaction", "s": "Elimination via a stabilized carbanion intermediate under basic conditions.", "i": "https://codexery.com/organic-chemistry-and-reaction-mechanism/img/organic-chemistry-and-reaction-mechanisms/e1cb-elimination-reaction.webp", "c": "Choij · Public domain"}, "/e/reaction-mechanisms-and-kinetics/substitution-reaction/": {"t": "Substitution reaction", "s": "A reaction replacing one functional group with another."}, "https://codexery.com/thermodynamics-and-statistical-mechanics/e/thermodynamics-and-statistical-mechanics/entropy/": {"t": "Entropy", "s": "A measure of disorder and irreversibility in physical systems."}, "/e/reaction-mechanisms-and-kinetics/redox/": {"t": "Redox", "s": "Chemical reactions where oxidation states change via electron or atom transfer."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-reaction/": {"t": "Chemical reaction", "s": "Process rearranging atoms with energy change, yielding new substances.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/chemical-reaction.webp", "c": "Д.Ильин : translation, optimization · CC0"}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/organic-compound/": {"t": "Organic compound", "s": "Carbon-based compounds central to life and chemistry."}, "/e/reaction-mechanisms-and-kinetics/pericyclic-reaction/": {"t": "Pericyclic reaction", "s": "Pericyclic reactions are concerted organic reactions with a cyclic transition state, governed by the Woodward–Hoffmann rules."}, "/e/reaction-mechanisms-and-kinetics/rearrangement-reaction/": {"t": "Rearrangement reaction", "s": "Organic reactions involving change of connectivity within a molecule."}, "/e/reaction-mechanisms-and-kinetics/organic-synthesis/": {"t": "Organic synthesis", "s": "Branch of chemical synthesis building organic compounds from simpler precursors."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/grignard-reaction/": {"t": "Grignard reaction", "s": "Organometallic reaction forming carbon–carbon bonds via Grignard reagents."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/diels-alder-reaction/": {"t": "Diels–Alder reaction", "s": "A [4+2] cycloaddition forming six-membered rings with stereochemical control.", "i": "https://codexery.com/organic-chemistry-and-reaction-mechanism/img/organic-chemistry-and-reaction-mechanisms/diels-alder-reaction.webp", "c": "Alderdiels · CC BY-SA 4.0"}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/inorganic-compound/": {"t": "Inorganic compound", "s": "A chemical compound that lacks carbon–hydrogen bonds, studied in inorganic chemistry."}, "https://codexery.com/inorganic-compounds-materials/e/inorganic-compounds-and-materials/lithium-aluminium-hydride/": {"t": "Lithium aluminium hydride", "s": "A powerful reducing agent used in organic synthesis."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/base-chemistry/": {"t": "Base (chemistry)", "s": "Substances that react with acids, accepting protons or donating electron pairs."}, "/e/reaction-mechanisms-and-kinetics/reaction-intermediate/": {"t": "Reaction intermediate", "s": "Molecular entity formed and consumed in a stepwise chemical reaction."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-synthesis/": {"t": "Chemical synthesis", "s": "Artificial execution of chemical reactions to obtain products.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/chemical-synthesis.webp", "c": "KlijnB · CC0"}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/enantioselective-synthesis/": {"t": "Enantioselective synthesis", "s": "Chemical synthesis favoring one enantiomer over another."}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/molecule/": {"t": "Molecule", "s": "Group of atoms bonded together; fundamental unit of chemical compounds."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/convergent-synthesis/": {"t": "Convergent synthesis", "s": "A strategy to improve efficiency in multistep organic synthesis.", "i": "https://codexery.com/organic-chemistry-and-reaction-mechanism/img/organic-chemistry-and-reaction-mechanisms/convergent-synthesis.webp", "c": "en:User:V8rik · CC BY-SA 3.0"}, "https://codexery.com/chemists-and-biochemists/e/chemists-and-biochemists/robert-burns-woodward/": {"t": "Robert Burns Woodward", "s": "American organic chemist and Nobel laureate in synthesis."}, "https://codexery.com/chemical-reactors-and-processes/e/chemical-reactors-and-processes/filtration/": {"t": "Filtration", "s": "Physical process separating solids from fluids via a filter medium."}, "https://codexery.com/classical-mechanics/e/classical-mechanics/density/": {"t": "Density", "s": "Mass per unit volume, an intensive property of matter."}, "https://codexery.com/german-inventions/e/german-inventions/b-chner-funnel/": {"t": "Büchner funnel", "s": "Laboratory filtration device using vacuum suction for rapid separation."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/enantiomer/": {"t": "Enantiomer", "s": "Mirror-image molecules that are non-superposable and rotate polarized light."}, "/e/reaction-mechanisms-and-kinetics/retrosynthetic-analysis/": {"t": "Retrosynthetic analysis", "s": "A technique for planning organic syntheses via structural simplification."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/mass-spectrometry/": {"t": "Mass spectrometry", "s": "Technique measuring ion mass-to-charge ratios for chemical analysis."}, "https://codexery.com/chemical-analysis-and-spectroscopy/e/chemical-analysis-and-spectroscopy/fourier-transform-infrared-spectroscopy/": {"t": "Fourier-transform infrared spectroscopy", "s": "Technique using interferometry and Fourier transforms for infrared spectroscopy."}, "https://codexery.com/medications-and-drugs/e/medications-and-drugs/ibuprofen/": {"t": "Ibuprofen", "s": "NSAID for pain, fever, and inflammation.", "i": "https://codexery.com/medications-and-drugs/img/medications-and-drugs/ibuprofen.webp", "c": "Mx. Granger · CC0"}, "/e/reaction-mechanisms-and-kinetics/organic-reaction/": {"t": "Organic reaction", "s": "Chemical reactions involving organic compounds for synthesis and production."}, "https://codexery.com/rules-of-thumb/e/rules-of-thumb/h-ckel-s-rule/": {"t": "Hückel's rule", "s": "Predicts aromaticity for planar cyclic molecules with 4n+2 π-electrons."}, "https://codexery.com/cell-and-molecular-biology/e/cell-and-molecular-biology/organic-matter/": {"t": "Organic matter", "s": "Carbon-based compounds from organisms, vital for nutrient cycling and soil health."}, "https://codexery.com/chemical-elements-metals/e/chemical-elements-and-metals/phosphorus/": {"t": "Phosphorus", "s": "The element that glows, burns, and sustains life."}, "https://codexery.com/chemical-reactors-and-processes/e/chemical-reactors-and-processes/cracking-chemistry/": {"t": "Cracking (chemistry)", "s": "Cracking breaks large hydrocarbons into smaller, more useful molecules.", "i": "https://codexery.com/chemical-reactors-and-processes/img/chemical-reactors-and-processes/cracking-chemistry.webp", "c": "Wikimedia Commons · CC BY 4.0"}, "https://codexery.com/cooking/e/cooking-techniques/caramelization/": {"t": "Caramelization", "s": "A pyrolytic browning process of sugar producing butter-like flavor."}, "https://codexery.com/cell-and-molecular-biology/e/cell-and-molecular-biology/polysaccharide/": {"t": "Polysaccharide", "s": "Polysaccharides are abundant carbohydrates serving storage and structural roles."}, "https://codexery.com/manufacturing-and-materials/e/manufacturing-and-materials/metallurgy/": {"t": "Metallurgy", "s": "The science and technology of metals and alloys."}, "https://codexery.com/construction-and-engineering/e/construction-and-engineering/steelmaking/": {"t": "Steelmaking", "s": "Steelmaking: from ancient bloomeries to modern electric arc furnaces.", "i": "https://codexery.com/construction-and-engineering/img/construction-and-engineering/steelmaking.webp", "c": "John Goldsmith · CC BY-SA 2.0"}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/benzene/": {"t": "Benzene", "s": "A foundational aromatic hydrocarbon with industrial and health significance."}, "https://codexery.com/chemical-substances-and-materials/e/chemical-substances-and-materials/pyridine/": {"t": "Pyridine", "s": "A basic heterocyclic compound with a fish-like smell."}, "https://codexery.com/botany-plant-biology/e/botany-and-plant-biology/xylem/": {"t": "Xylem", "s": "Vascular tissue that transports water upward in plants."}, "https://codexery.com/polymers-and-macromolecules/e/polymers-and-macromolecules/polymer/": {"t": "Polymer", "s": "Large molecules of repeating subunits essential to life and industry."}, "https://codexery.com/polymers-and-macromolecules/e/polymers-and-macromolecules/polyacrylonitrile/": {"t": "Polyacrylonitrile", "s": "Synthetic polymer precursor for carbon fiber and acrylic textiles."}, "https://codexery.com/physical-chemistry-and-thermodynamics/e/physical-chemistry-and-thermodynamics/collision-theory/": {"t": "Collision theory", "s": "Principle predicting chemical reaction rates via molecular collisions."}, "https://codexery.com/physical-chemistry-and-thermodynamics/e/physical-chemistry-and-thermodynamics/equilibrium-constant/": {"t": "Equilibrium constant", "s": "Value of reaction quotient at chemical equilibrium."}, "https://codexery.com/sodium-compounds/e/sodium-compounds/sodium-hydroxide/": {"t": "Sodium hydroxide", "s": "Caustic soda: a strong base and nucleophile used in industry and chemistry education."}, "https://codexery.com/acids-and-bases/e/acids-and-bases/oxalic-acid/": {"t": "Oxalic acid", "s": "Simplest dicarboxylic acid, used in cleaning and metal chelation."}, "/e/reaction-mechanisms-and-kinetics/reaction-coordinate/": {"t": "Reaction coordinate", "s": "Abstract coordinate representing progress along a reaction pathway."}, "https://codexery.com/chemical-reactors-and-processes/e/chemical-reactors-and-processes/chain-reaction/": {"t": "Chain reaction", "s": "Self-amplifying sequence of reactions releasing stored energy."}, "https://codexery.com/geometry-and-topology/e/geometry-and-topology/coordinate-system/": {"t": "Coordinate system", "s": "A system using numbers to determine positions in space."}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/molecular-geometry/": {"t": "Molecular geometry", "s": "Three-dimensional atomic arrangement determining molecular properties."}, "https://codexery.com/materials-and-states-of-matter/e/materials-and-states-of-matter/phase-transition/": {"t": "Phase transition", "s": "Physical process of transition between states of a medium."}, "/e/reaction-mechanisms-and-kinetics/resonance-chemistry/": {"t": "Resonance (chemistry)", "s": "A bonding description using averaged contributing structures."}, "https://codexery.com/separation-and-purification-techniques/e/separation-and-purification-techniques/spectroscopy/": {"t": "Spectroscopy", "s": "Spectroscopy measures and interprets electromagnetic spectra interacting with matter."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/electrophilic-addition/": {"t": "Electrophilic addition", "s": "Addition reaction where a π bond breaks forming two σ bonds.", "i": "https://codexery.com/organic-chemistry-and-reaction-mechanism/img/organic-chemistry-and-reaction-mechanisms/electrophilic-addition.webp", "c": "V8rik ( talk ) · CC BY-SA 3.0"}, "https://codexery.com/medications-and-pharmacology/e/medications-and-pharmacology/penicillin/": {"t": "Penicillin", "s": "A group of β-lactam antibiotics from Penicillium moulds."}, "https://codexery.com/cell-and-molecular-biology/e/cell-and-molecular-biology/nucleotide/": {"t": "Nucleotide", "s": "Nucleotides are the monomeric units of DNA and RNA."}, "/e/reaction-mechanisms-and-kinetics/stereochemistry/": {"t": "Stereochemistry", "s": "The study of spatial arrangements of atoms in molecules and their manipulation."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/arrow-pushing/": {"t": "Arrow pushing", "s": "Technique using curved arrows to show electron movement in reactions."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/inorganic-chemistry/": {"t": "Inorganic chemistry", "s": "Study of non-carbon-based compounds and their industrial applications."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/methane/": {"t": "Methane", "s": "Simplest alkane, main component of natural gas, potent greenhouse gas."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/acetone/": {"t": "Acetone", "s": "Simplest ketone, key solvent and industrial precursor.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/acetone.webp", "c": "Fvasconcellos · Public domain"}, "/e/reaction-mechanisms-and-kinetics/isomerization/": {"t": "Isomerization", "s": "Process transforming molecules into isomers with different structures."}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/ionic-bond/": {"t": "Ionic bond", "s": "Electrostatic attraction between oppositely charged ions."}, "https://codexery.com/biochemistry-and-cell-biology/e/biochemistry-and-cell-biology/cellular-respiration/": {"t": "Cellular respiration", "s": "The metabolic pathways inside eukaryotic cells: aerobic respiration takes place in the mitochondrion where oxygen is reduced into water."}, "https://codexery.com/plant-biology/e/plant-biology/photosynthesis/": {"t": "Photosynthesis", "s": "The process by which plants and other organisms convert light into chemical energy."}, "https://codexery.com/electrochemistry-and-surface-chemistry/e/electrochemistry-and-surface-chemistry/corrosion/": {"t": "Corrosion", "s": "Natural process converting refined metals into stable oxides.", "i": "https://codexery.com/electrochemistry-and-surface-chemistry/img/electrochemistry-and-surface-chemistry/corrosion.webp", "c": "Engr Hafiza Maida · CC BY-SA 4.0"}, "https://codexery.com/electrochemistry-and-surface-chemistry/e/electrochemistry-and-surface-chemistry/electrochemical-cell/": {"t": "Electrochemical cell", "s": "Device converting chemical energy to electrical energy or vice versa.", "i": "https://codexery.com/electrochemistry-and-surface-chemistry/img/electrochemistry-and-surface-chemistry/electrochemical-cell.webp", "c": "Benchmark Mineral Intelligence (2025) – with minor processing by Our World in Da · CC BY 4.0"}, "https://codexery.com/geology-earth-science/e/geology-and-earth-science/ore/": {"t": "Ore", "s": "Natural rock containing economically viable minerals or metals."}, "https://codexery.com/italian-inventions/e/italian-inventions/electroplating/": {"t": "Electroplating", "s": "Italian chemist invented electroplating in 1805 using Volta's pile."}, "https://codexery.com/chemistry-materials/e/chemistry-and-materials/nitric-acid/": {"t": "Nitric acid", "s": "A highly corrosive mineral acid used in nitration and as a strong oxidizing agent."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-element/": {"t": "Chemical element", "s": "Fundamental species of atom defined by proton count."}, "https://codexery.com/electrochemistry-and-surface-chemistry/e/electrochemistry-and-surface-chemistry/half-reaction/": {"t": "Half-reaction", "s": "Half reactions represent oxidation or reduction in redox processes."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/alkene/": {"t": "Alkene", "s": "Alkenes: acyclic hydrocarbons with one double bond, part of the broader olefin class."}, "https://codexery.com/chemistry/e/chemistry/fluorine/": {"t": "Fluorine", "s": "Fluorine is a chemical element, represented by the symbol F and carrying atomic number 9."}, "https://codexery.com/historical-figures/e/notable/antoine-lavoisier/": {"t": "Antoine Lavoisier", "s": "French nobleman and chemist who revolutionized chemistry by introducing quantitative methods and discovering oxygen's role in combustion."}, "/e/reaction-mechanisms-and-kinetics/valence-bond-theory/": {"t": "Valence bond theory", "s": "One of two basic quantum theories of chemical bonding."}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/lewis-structure/": {"t": "Lewis structure", "s": "Diagrams showing bonding and lone pairs in molecules."}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/octet-rule/": {"t": "Octet rule", "s": "Main-group atoms tend to bond to achieve eight valence electrons."}, "https://codexery.com/cryptids/e/cryptids-and-folklore/unicorns/": {"t": "Unicorns", "s": "Legendary one-horned beast of purity and medieval allegory."}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/resonance/": {"t": "Resonance", "s": "Resonance amplifies vibrations when frequency matches a system's natural frequency."}, "https://codexery.com/chemists-and-biochemists/e/chemists-and-biochemists/august-kekul/": {"t": "August Kekulé", "s": "Principal founder of chemical structure theory and benzene ring."}, "https://codexery.com/european-scientific-pioneers/e/european-scientific-pioneers/werner-heisenberg/": {"t": "Werner Heisenberg", "s": "German physicist who formulated quantum mechanics and the uncertainty principle.", "i": "https://codexery.com/european-scientific-pioneers/img/european-scientific-pioneers/werner-heisenberg.webp", "c": "via Wikipedia: Werner Heisenberg · see source"}, "https://codexery.com/classical-mechanics-and-dynamics/e/classical-mechanics-and-dynamics/harmonic-oscillator/": {"t": "Harmonic oscillator", "s": "A system with restoring force proportional to displacement."}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/frequency/": {"t": "Frequency", "s": "Frequency measures repeating events per unit time."}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/linus-pauling/": {"t": "Linus Pauling", "s": "American chemist and peace activist, winner of two Nobel Prizes"}, "https://codexery.com/philosophical-traditions/e/philosophical-traditions/dialectical-materialism/": {"t": "Dialectical materialism", "s": "A materialist philosophy of nature and society based on Hegelian dialectics.", "i": "https://codexery.com/philosophical-traditions/img/philosophical-traditions/dialectical-materialism.webp", "c": "Omar kandil · CC BY-SA 3.0"}, 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{"t": "Electrostatics", "s": "Branch of physics studying stationary electric charges and their forces."}, "https://codexery.com/physical-chemistry-and-thermodynamics/e/physical-chemistry-and-thermodynamics/entropy-of-activation/": {"t": "Entropy of activation", "s": "Entropy change upon forming the transition state in a reaction."}, "https://codexery.com/physical-chemistry-and-thermodynamics/e/physical-chemistry-and-thermodynamics/arrhenius-equation/": {"t": "Arrhenius equation", "s": "Formula for temperature dependence of reaction rates."}, "https://codexery.com/chemists-and-biochemists/e/chemists-and-biochemists/svante-arrhenius/": {"t": "Svante Arrhenius", "s": "Swedish chemist, founder of physical chemistry, estimated the effect of CO₂ on Earth's temperature."}, "https://codexery.com/thermodynamics-and-statistical-mechanics/e/thermodynamics-and-statistical-mechanics/statistical-mechanics/": {"t": "Statistical mechanics", "s": "Statistical mechanics links microscopic particle 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"Non-mirror image stereoisomers with distinct physical and chemical properties.", "i": "https://codexery.com/organic-chemistry-and-reaction-mechanism/img/organic-chemistry-and-reaction-mechanisms/diastereomer.webp", "c": "Dapperti · Public domain"}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/cahn-ingold-prelog-priority-rules/": {"t": "Cahn–Ingold–Prelog priority rules", "s": "Standard process for naming stereoisomers of organic molecules.", "i": "https://codexery.com/organic-chemistry-and-reaction-mechanism/img/organic-chemistry-and-reaction-mechanisms/cahn-ingold-prelog-priority-rules.webp", "c": "T.vanschaik · CC BY-SA 4.0"}, "https://codexery.com/geometry-and-shapes/e/geometry-and-shapes/three-dimensional-space/": {"t": "Three-dimensional space", "s": "Three coordinates define a point in space."}, "https://codexery.com/teratogens/e/teratogens/thalidomide/": {"t": "Thalidomide", "s": "Teratogen causing limb and organ defects in pregnancy."}, "https://codexery.com/human-variation-and-health/e/human-variation-and-health/medication/": {"t": "Medication", "s": "Substance used to diagnose, cure, treat, or prevent disease.", "i": "https://codexery.com/human-variation-and-health/img/human-variation-and-health/medication.webp", "c": "Samsule2 · CC BY-SA 4.0"}, "https://codexery.com/teratogens/e/teratogens/teratology/": {"t": "Teratology", "s": "Study of abnormal development caused by environmental insults during pregnancy."}, "https://codexery.com/inventors/e/great-inventors/louis-pasteur/": {"t": "Louis Pasteur", "s": "Father of bacteriology and pioneer of pasteurization", "i": "https://codexery.com/inventors/img/great-inventors/louis-pasteur.webp", "c": "via Wikipedia: Louis Pasteur · see source"}, "https://codexery.com/electromagnetism-and-waves/e/electromagnetism-and-waves/polarization-waves/": {"t": "Polarization (waves)", "s": "Property of transverse waves specifying oscillation orientation."}, "https://codexery.com/chemists-and-biochemists/e/chemists-and-biochemists/jacobus-henricus-van-t-hoff/": {"t": "Jacobus Henricus van 't Hoff", "s": "Dutch physical chemist, first Nobel laureate in chemistry."}, "https://codexery.com/scientists-and-mathematicians/e/scientists-and-mathematicians/lord-kelvin/": {"t": "Lord Kelvin", "s": "Scottish mathematician, physicist, and engineer who determined absolute zero and helped formulate the laws of thermodynamics."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-formula/": {"t": "Chemical formula", "s": "A notation showing atomic proportions in a compound.", "i": "https://codexery.com/chemistry-fundamentals/img/chemistry-fundamentals/chemical-formula.webp", "c": "Dharmeshkumar Shah · CC BY-SA 4.0"}, "https://codexery.com/biochemistry-and-cell-biology/e/biochemistry-and-cell-biology/amino-acid/": {"t": "Amino acid", "s": "The building blocks of proteins, with 20 standard α-amino acids directly encoded by the genetic code and two rare ones incorporated via recoding."}, "https://codexery.com/organic-chemistry-and-reaction-mechanism/e/organic-chemistry-and-reaction-mechanisms/e-z-notation/": {"t": "E–Z notation", "s": "IUPAC method for double-bond stereochemistry using priority rules."}, "https://codexery.com/biochemistry-and-cell-biology/e/biochemistry-and-cell-biology/cholesterol/": {"t": "Cholesterol", "s": "Essential animal sterol; precursor for hormones and vitamin D."}, "https://codexery.com/chemistry/e/chemistry/covalent-bond/": {"t": "Covalent bond", "s": "Covalent bonds involve shared electron pairs between atoms.", "i": "https://codexery.com/chemistry/img/chemistry/covalent-bond.webp", "c": "DynaBlast · CC BY-SA 2.5"}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/chemical-bond/": {"t": "Chemical bond", "s": "The association of atoms or ions via electrostatic forces, electron sharing, or a combination, forming molecules and crystals."}, 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Lewis", "s": "American physical chemist who proposed the covalent bond and coined the term 'photon'."}, "https://codexery.com/quantum-mechanics-and-foundations/e/quantum-mechanics-and-foundations/matrix-mechanics/": {"t": "Matrix mechanics", "s": "First logically consistent formulation of quantum mechanics using matrices."}, "https://codexery.com/chemistry/e/chemistry/hydrofluoric-acid/": {"t": "Hydrofluoric acid", "s": "A corrosive acid used in etching, cleaning, and fluoride production."}, "https://codexery.com/chemical-bonding-and-structure/e/chemical-bonding-and-structure/valence-electron/": {"t": "Valence electron", "s": "Outermost electrons that govern chemical bonding and reactivity."}, "https://codexery.com/particle-and-nuclear-physics/e/particle-and-nuclear-physics/pauli-exclusion-principle/": {"t": "Pauli exclusion principle", "s": "No two fermions can share identical quantum states."}, "https://codexery.com/geometry-and-shapes/e/geometry-and-shapes/tetrahedron/": {"t": "Tetrahedron", "s": "A polyhedron with four triangular faces and four vertices."}, "https://codexery.com/chemistry/e/chemistry/ethylene/": {"t": "Ethylene", "s": "Simplest alkene, key industrial chemical and plant hormone."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/ammonia/": {"t": "Ammonia", "s": "A colourless gas with a pungent smell, vital for fertilizers."}, "https://codexery.com/chemistry-fundamentals/e/chemistry-fundamentals/alkyne/": {"t": "Alkyne", "s": "Unsaturated hydrocarbons with at least one carbon–carbon triple bond."}, "https://codexery.com/periodic-table-elements/e/periodic-table-and-elements/superheavy-element/": {"t": "Superheavy element", "s": "Synthetic radioactive elements beyond atomic number 103."}, "https://codexery.com/periodic-table-elements/e/periodic-table-and-elements/nihonium/": {"t": "Nihonium", "s": "Synthetic, radioactive element in group 13."}, "https://codexery.com/periodic-table-elements/e/periodic-table-and-elements/tennessine/": {"t": "Tennessine", "s": "Synthetic element 117, discovered by Russian–American collaboration."}, "https://codexery.com/periodic-table-elements/e/periodic-table-and-elements/oganesson/": {"t": "Oganesson", "s": "Synthetic element with the highest atomic number known."}, "https://codexery.com/topology-and-abstract-spaces/e/topology-and-abstract-spaces/euler-characteristic/": {"t": "Euler characteristic", "s": "Topological invariant describing shape regardless of bending."}, "/e/reaction-mechanisms-and-kinetics/trigonal-pyramidal-molecular-geometry/": {"t": "Trigonal pyramidal molecular geometry", "s": "A molecular geometry with one apex atom and three base atoms."}, "https://codexery.com/chemistry/e/chemistry/formaldehyde/": {"t": "Formaldehyde", "s": "Simplest aldehyde, key industrial chemical, and atmospheric pollutant."}, "/e/reaction-mechanisms-and-kinetics/trigonal-planar-molecular-geometry/": {"t": "Trigonal planar molecular geometry", "s": "Trigonal planar is a molecular geometry model in chemistry where one central atom is bonded to three peripheral atoms located at the corners of an equilateral t"}}