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Chemistry: Glossary

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Chemistry: Glossary

  1. 10 Women Scientists Who Should Be More Famous
  2. 6 Questions About DNA Answered
  3. Abegg, Richard Wilhelm Heinrich
  4. Abel, John Jacob
  5. Abel, Sir Frederick Augustus
  6. Abelson, Philip Hauge
  7. abietic acid
  8. Abney, Sir William de Wiveleslie
  9. acetaldehyde
  10. acetic acid
  11. acetone
  12. acetophenone
  13. acetylcholine
  14. acetylene
  15. acid
  16. acid halide
  17. acid-base catalysis
  18. acid–base reaction
  19. acrylamide
  20. acrylic
  21. acrylic compound
  22. acrylonitrile-butadiene-styrene copolymer
  23. actin
  24. actinium
  25. actinoid element
  26. activation energy
  27. Adams, Roger
  28. addition reaction
  29. adenine
  30. adenosine triphosphate
  31. adrenochrome
  32. adrenocorticotropic hormone
  33. Agre, Peter
  34. alanine
  35. Alberts, Bruce
  36. albumin
  37. alcohol
  38. aldehyde
  39. aldehyde condensation polymer
  40. Alder, Kurt
  41. aldosterone
  42. aldrin
  43. alicyclic compound
  44. aliphatic compound
  45. alkali
  46. alkali metal
  47. alkaline phosphatase
  48. alkaline-earth metal
  49. alkaloid
  50. alkylating agent
  51. allemontite
  52. allosteric control
  53. allotropy
  54. alloy
  55. Altman, Sidney
  56. alum
  57. alumina
  58. aluminum
  59. amalgam
  60. americium
  61. Ames, Bruce
  62. amide
  63. amine
  64. amino acid
  65. ammonia
  66. ammonium chloride
  67. ammonium hydroxide
  68. ammonium nitrate
  69. amyl alcohol
  70. amylase
  71. anabolic steroid
  72. analysis, chemical
  73. Andrews, Thomas
  74. androgen
  75. Anfinsen, Christian B.
  76. angiotensin
  77. anglesite
  78. anhydride
  79. aniline
  80. anomalous water
  81. anthracene
  82. anthraquinone
  83. anthraquinone dye
  84. antibody
  85. antifreeze
  86. antimetabolite
  87. antimonide
  88. antimony
  89. antioxidant
  90. aqua regia
  91. aramid
  92. Are Bananas Radioactive?
  93. Are Green Potatoes Dangerous to Eat?
  94. Are There Triangular Molecules?
  95. arginine
  96. argon
  97. Armbruster, Peter
  98. Armstrong, Henry Edward
  99. Arnold, Frances
  100. aromatic compound
  101. Arrhenius equation
  102. Arrhenius theory
  103. Arrhenius, Svante
  104. arsenic
  105. arsenide
  106. arsine
  107. asparagine
  108. aspartame
  109. aspartic acid
  110. astatine
  111. Aston, Francis William
  112. asymmetric synthesis
  113. atropine
  114. Atwater, Wilbur Olin
  115. autoclave
  116. auxin
  117. Axelrod, Julius
  118. azide
  119. azo compound
  120. azo dye
  121. Babcock, Stephen Moulton
  122. Bacon, Francis Thomas
  123. Baekeland, Leo
  124. Baeyer, Adolf von
  125. Baker, David
  126. Balard, Antoine-Jérôme
  127. barbituric acid
  128. barium
  129. Barton, Sir Derek H.R.
  130. base
  131. base pair
  132. Bawendi, Moungi
  133. Bayliss, Sir William Maddock
  134. Beadle, George Wells
  135. Becher, Johann Joachim
  136. Beilby, Sir George Thomas
  137. Beilstein, Friedrich Konrad
  138. benzaldehyde
  139. benzene
  140. benzene hexachloride
  141. benzidine
  142. benzoic acid
  143. benzoquinone
  144. benzyl alcohol
  145. Berg, Paul
  146. Bergius, Friedrich
  147. Bergman, Torbern Olof
  148. Bergström, Sune K.
  149. berkelium
  150. Berthelot, Pierre-Eugène-Marcellin
  151. Berthollet, Claude-Louis
  152. Bertozzi, Carolyn R.
  153. beryllium
  154. Berzelius, Jöns Jacob
  155. Betzig, Eric
  156. bile acid
  157. biochar
  158. biochemistry
  159. biogeochemistry
  160. biomolecule
  161. biotin
  162. biphenyl
  163. Bishop, Hazel
  164. bismuth
  165. bisphenol A
  166. Black, Joseph
  167. Blackburn, Elizabeth
  168. Bloch, Konrad E.
  169. bog iron ore
  170. bohrium
  171. Boltwood, Bertram Borden
  172. bone black
  173. borane
  174. borate mineral
  175. borax
  176. boric acid
  177. boride
  178. boron
  179. boron carbide
  180. boron group element
  181. boron nitride
  182. Bosch, Carl
  183. Boussingault, Jean-Baptiste
  184. Bowen, Norman L.
  185. Boyer, Paul D.
  186. Boyle, Robert
  187. Brand, Hennig
  188. Brandt, Georg
  189. bromine
  190. Brown, Herbert Charles
  191. Brus, Louis E.
  192. Bródy, Imre
  193. Brønsted, Johannes Nicolaus
  194. Brønsted-Lowry theory
  195. Buchner, Eduard
  196. Buchwald, Stephen L.
  197. buffer
  198. Bunsen, Robert
  199. Burton, William Merriam
  200. butadiene
  201. butane
  202. Butenandt, Adolf
  203. butene
  204. Butlerov, Aleksandr
  205. butyl alcohol
  206. butyric acid
  207. cadmium
  208. caffeine
  209. calcitonin
  210. calcium
  211. calcium carbonate
  212. calcium hydroxide
  213. californium
  214. calomel
  215. calorimeter
  216. Calvin, Melvin
  217. camphor
  218. Can the Cold Really Cause Trees to Explode?
  219. Can You Drink Water from a Cactus?
  220. cannabidiol
  221. cannabinoids
  222. Cannizzaro, Stanislao
  223. capsaicin
  224. carbene
  225. carbide
  226. carbohydrate
  227. carbolic acid
  228. carbon
  229. carbon black
  230. carbon dioxide
  231. carbon disulfide
  232. carbon group element
  233. carbon monoxide
  234. carbon nanotube
  235. carbon tetrachloride
  236. carbon-14
  237. carbonate
  238. carbonate mineral
  239. carbonate-apatite
  240. carbonic acid
  241. carbonic anhydrase
  242. carbonyl group
  243. carborane
  244. Carborundum
  245. carboxylic acid
  246. carnitine
  247. carotene
  248. carotenoid
  249. Carothers, Wallace Hume
  250. Carver, George Washington
  251. casein
  252. catalase
  253. catalysis
  254. catalyst
  255. catalyst poison
  256. catecholamine
  257. Cavendish, Henry
  258. Cech, Thomas Robert
  259. cellulose
  260. cellulose acetate
  261. cellulosic ethanol
  262. cerium
  263. cesium
  264. cetyl alcohol
  265. chain reaction
  266. Chain, Sir Ernst Boris
  267. Chalfie, Martin
  268. charcoal
  269. Chardonnet, Hilaire Bernigaud, comte de
  270. Chauvin, Yves
  271. chelate
  272. chemical analysis
  273. chemical association
  274. chemical bonding
  275. chemical compound
  276. chemical element
  277. chemical engineering
  278. chemical equation
  279. chemical equilibrium
  280. chemical formula
  281. chemical intermediate
  282. chemical kinetics
  283. chemical reaction
  284. chemical symbol
  285. chemical synthesis
  286. chemistry
  287. chemistry of industrial polymers
  288. chemokine
  289. Chevreul, Michel-Eugène
  290. Chile saltpetre
  291. Chipman, John
  292. chitin
  293. chlordane
  294. chlorine
  295. chlorobenzene
  296. chlorofluorocarbon
  297. chloroform
  298. chlorophenol
  299. chloropicrin
  300. chlorotrifluoroethylene
  301. cholecystokinin
  302. cholesterol
  303. choline
  304. chromium
  305. Ciechanover, Aaron J.
  306. cinnabar
  307. citral
  308. citric acid
  309. citronella oil
  310. Claude, Georges
  311. Cleve, Per Teodor
  312. cobalt
  313. cobalt-60
  314. coenzyme
  315. cofactor
  316. Cohen, Ernst Julius
  317. Cohen, Stanley
  318. cohenite
  319. Cohn, Edwin Joseph
  320. collagen
  321. collision theory
  322. colony-stimulating factor
  323. combustion
  324. common ion effect
  325. competitive inhibition
  326. complex
  327. Conant, James B.
  328. condensation reaction
  329. configuration
  330. conformation
  331. Coolidge, William D.
  332. cooperativity
  333. coordination compound
  334. coordination number
  335. copernicium
  336. copolyester elastomer
  337. copolymer
  338. copper
  339. Corey, Elias James
  340. Cornforth, Sir John
  341. cornstarch
  342. corrosion
  343. corticoid
  344. corticotropin-releasing hormone
  345. cortisol
  346. cortisone
  347. corundum
  348. Cottrell, Frederick Gardner
  349. coumarin
  350. Couper, Archibald Scott
  351. Courtois, Bernard
  352. Cram, Donald J.
  353. creatine
  354. cresol
  355. Cronstedt, Axel Fredrik
  356. Crookes, Sir William
  357. Crutzen, Paul
  358. cryolite
  359. Cullis, Pieter
  360. curare
  361. Curie, Marie
  362. Curie, Pierre
  363. curium
  364. Curl, Robert
  365. cyanide
  366. cyanoacrylate
  367. cyanogen halide
  368. cyclamate
  369. cyclopropane
  370. cysteine
  371. cystine
  372. cytochrome
  373. cytokine
  374. cytokinin
  375. cytosine
  376. Dalton, John
  377. Daly, Marie Maynard
  378. Dam, Henrik
  379. Dandolo, Vincenzo
  380. Daniell, John Frederic
  381. darmstadtium
  382. Davy, Edward
  383. Davy, Sir Humphry
  384. DDT
  385. Debye, Peter
  386. definite proportions, law of
  387. Deisenhofer, Johann
  388. deliquescence
  389. delta-8-THC
  390. denaturation
  391. deoxyribose
  392. depleted uranium
  393. deuterium
  394. deuteron
  395. Dewar, Sir James
  396. dextrin
  397. diamond
  398. diatomic molecule
  399. diazo compound
  400. diazonium salt
  401. dichlorobenzene
  402. dieldrin
  403. Diels, Otto Paul Hermann
  404. diethylstilbestrol
  405. digitalis
  406. dimethoate
  407. dimethyl sulfoxide
  408. dioxin
  409. disaccharide
  410. dissociation
  411. DNA
  412. Do Cows Pollute as Much as Cars?
  413. Do Fish Drink Water?
  414. Does Boiling Water Make It Safe to Drink?
  415. Doisy, Edward Adelbert
  416. Donnan, Frederick George
  417. dopamine
  418. Doudna, Jennifer
  419. Dow, Herbert H.
  420. Dow, Inc.
  421. du Vigneaud, Vincent
  422. dubnium
  423. Dubochet, Jacques
  424. Dudley, Charles Benjamin
  425. Dulong, Pierre-Louis
  426. Dumas, Jean-Baptiste-André
  427. Duve, Christian René de
  428. dye
  429. dysprosium
  430. Döbereiner, Johann Wolfgang
  431. East, Edward Murray
  432. Edelman, Gerald Maurice
  433. effective atomic number
  434. efflorescence
  435. Eh–pH diagram
  436. Eigen, Manfred
  437. einsteinium
  438. Ekeberg, Anders Gustav
  439. Ekimov, Alexei
  440. elastomer
  441. electrical double layer
  442. electrochemical reaction
  443. electrochemistry
  444. electrolysis
  445. electrolyte
  446. electromotive series
  447. electronegativity
  448. electrophile
  449. electrum
  450. Elhuyar, Fausto
  451. elimination reaction
  452. Embden, Gustav Georg
  453. endorphin
  454. enkephalin
  455. enterogastrone
  456. enterokinase
  457. enzyme
  458. epinephrine
  459. epoxide
  460. epoxy
  461. equivalent weight
  462. erbium
  463. ergosterol
  464. Ernst, Richard R.
  465. Ertl, Gerhard
  466. erythropoietin
  467. ester
  468. estrogen
  469. ethane
  470. ethanol
  471. ethanolamine
  472. ether
  473. ethyl acetoacetate
  474. ethyl chloride
  475. ethyl ether
  476. ethylene
  477. ethylene bromide
  478. ethylene chloride
  479. ethylene glycol
  480. Euler-Chelpin, Hans von
  481. europium
  482. Evans, Martin
  483. Eötvös, Roland, baron von
  484. Fajans, Kasimir
  485. Faraday, Michael
  486. Faraday’s laws of electrolysis
  487. fatty acid
  488. feedback inhibition
  489. Fenn, John B.
  490. Feringa, Bernard
  491. fermentation
  492. fermium
  493. ferrite
  494. ferroalloy
  495. ferrocene
  496. fibrin
  497. fire
  498. Fischer projection
  499. Fischer, Edmond H.
  500. Fischer, Emil
  501. Fischer, Ernst Otto
  502. Fischer, Hans
  503. Fittig, Rudolf
  504. flame
  505. flash point
  506. flerovium
  507. Flory, Paul J.
  508. fluorapatite
  509. fluoride
  510. fluorine
  511. fluorocarbon
  512. fluorocarbon polymer
  513. fluoroelastomer
  514. folic acid
  515. Folkers, Karl August
  516. follicle-stimulating hormone
  517. formaldehyde
  518. formalin
  519. formic acid
  520. Fraenkel-Conrat, Heinz L.
  521. francium
  522. Frank, Joachim
  523. Frankland, Sir Edward
  524. Franklin, Rosalind
  525. Frasch, Herman
  526. Freon
  527. Frerichs, Friedrich Theodor von
  528. Fresenius, Carl Remigius
  529. Friedel, Charles
  530. fructose
  531. Frémy, Edmond
  532. Fujishima Akira
  533. Fujita Makoto
  534. Fukui Kenichi
  535. fullerene
  536. fulvic acid
  537. fumaric acid
  538. functional group
  539. furan
  540. Furchgott, Robert F.
  541. furfural
  542. gadolinium
  543. Gahn, Johan Gottlieb
  544. galactose
  545. gallic acid
  546. gallium
  547. gamma globulin
  548. gastric inhibitory polypeptide
  549. gastrin
  550. Gay-Lussac, Joseph-Louis
  551. geochemical cycle
  552. geochemistry
  553. Geoffroy, Étienne-François
  554. Gerhardt, Charles
  555. germanium
  556. ghrelin
  557. Giauque, William Francis
  558. gibberellin
  559. Gibbs, J. Willard
  560. Gilbert, Sir Henry
  561. Gilbert, Walter
  562. Gilman reagent
  563. Glauber, Johann Rudolf
  564. globulin
  565. glucagon
  566. glucocorticoid
  567. gluconeogenesis
  568. glucose
  569. glutamic acid
  570. glutamine
  571. glutathione
  572. gluten
  573. glycerol
  574. glycine
  575. glycogen
  576. glycol
  577. glycolipid
  578. glycolysis
  579. glycoside
  580. goitrogen
  581. Goizueta, Roberto Crispulo
  582. gold
  583. Goldschmidt, Hans
  584. Gomberg, Moses
  585. gonadotropin
  586. gonadotropin-releasing hormone
  587. Goodenough, John B.
  588. Graebe, Carl
  589. Graham, Thomas
  590. graphene
  591. graphite
  592. green chemistry
  593. Grignard reagent
  594. Grignard, Victor
  595. group
  596. growth factor
  597. growth hormone
  598. growth hormone-releasing hormone
  599. Grubbs, Robert H.
  600. guanidine
  601. guanine
  602. Guldberg, Cato Maximilian
  603. Guyton de Morveau, Louis Bernard
  604. Haber, Fritz
  605. hafnium
  606. Hahn, Otto
  607. Hall, Charles Martin
  608. halocarbon
  609. halogen
  610. halon
  611. Hantzsch, Arthur Rudolf
  612. haptoglobin
  613. hard water
  614. Harden, Sir Arthur
  615. Harkins, William Draper
  616. harmine
  617. Harries, Carl Dietrich
  618. Harrison, Anna Jane
  619. Hartwig, John F.
  620. Hassel, Odd
  621. hassium
  622. Hatchett, Charles
  623. Hauptman, Herbert A.
  624. Haworth, Sir Norman
  625. Haynes, Elwood
  626. heat of formation
  627. heat of reaction
  628. heavy water
  629. Heck, Richard F.
  630. Heeger, Alan J.
  631. helium
  632. Hell, Stefan
  633. Helmont, Jan Baptista van
  634. hemagglutinin
  635. hemicellulose
  636. hemochromogen
  637. hemoglobin
  638. Henderson, Lawrence Joseph
  639. Henderson, Richard
  640. Henry, William
  641. heparin
  642. heptachlor
  643. Herschbach, Dudley R.
  644. Herschel, Sir John, 1st Baronet
  645. Hershko, Avram
  646. Herzberg, Gerhard
  647. Hess, Germain Henri
  648. Hess’s law
  649. heterocyclic compound
  650. heterogeneous reaction
  651. Hevesy, Georg Charles von
  652. hexachloroplatinic acid
  653. Heyrovský, Jaroslav
  654. high-density polyethylene
  655. Hildebrand, Joel H.
  656. Hinshelwood, Sir Cyril Norman
  657. Hirschmann, Ralph F.
  658. histamine
  659. histidine
  660. histone
  661. Hjelm, Peter Jacob
  662. Hodgkin, Dorothy
  663. Hoff, Jacobus Henricus van ’t
  664. Hoffmann, Roald
  665. Hofmann, Albert
  666. Hofmann, August Wilhelm von
  667. Holley, Robert William
  668. Holliday junction
  669. holmium
  670. homogeneous reaction
  671. homologous series
  672. Hopkins, Sir Frederick Gowland
  673. Hoppe-Seyler, Ernst Felix
  674. hormone
  675. How Do Clouds Form?
  676. How Do Fireflies Light Up?
  677. How Do You Balance a Chemical Equation?
  678. How Does Dry Cleaning Work?
  679. How Does Metal Rust?
  680. How Is Gold Formed?
  681. How Much Water Should a Person Drink in a Day?
  682. How Radioactive Isotopes are Used in Medicine
  683. How Rare Are Rare-Earth Elements?
  684. Huber, Robert
  685. humic acid
  686. Hund, Friedrich
  687. Hutton, James
  688. hyaluronic acid
  689. hyaluronidase
  690. hydrate
  691. hydrazine
  692. hydride
  693. hydrocarbon
  694. hydrochloric acid
  695. hydrofluorocarbon
  696. hydrogen
  697. hydrogen bonding
  698. hydrogen chloride
  699. hydrogen cyanide
  700. hydrogen ion
  701. hydrogen peroxide
  702. hydrogen sulfide
  703. hydrogenation
  704. hydrolase
  705. hydrolysis
  706. hydroquinone
  707. hydroxide
  708. hydroxyl group
  709. hydroxylamine
  710. hydroxylapatite
  711. hydroxylysine
  712. hydroxyproline
  713. hyoscyamine
  714. Héroult, Paul-Louis-Toussaint
  715. ibogaine
  716. ibuprofen
  717. ice
  718. imidazole
  719. indium
  720. indole
  721. induced-fit theory
  722. induction
  723. industrial polymers, chemistry of
  724. industrial polymers, major
  725. Ingenhousz, Jan
  726. inhibin
  727. inhibition
  728. initiator
  729. inorganic chemistry
  730. inorganic compound
  731. inorganic polymer
  732. inosinic acid
  733. inositol
  734. insulin
  735. insulin-like growth factor
  736. interferon
  737. interleukin
  738. intermetallic compound
  739. intrinsic factor
  740. inulin
  741. inversion
  742. iodine
  743. iodoform
  744. ion
  745. ion-exchange capacity
  746. ion-exchange reaction
  747. ion-exchange resin
  748. ionic compound
  749. Ipatieff, Vladimir Nikolayevich
  750. iridium
  751. iridosmine
  752. iron
  753. iron oxide
  754. Is Spontaneous Human Combustion Real?
  755. isocyanide
  756. isodrin
  757. isoleucine
  758. isomerase
  759. isomerization
  760. isoprene
  761. isoprenoid
  762. isopropyl alcohol
  763. isotope
  764. isotopic tracer
  765. Jackson, Charles Thomas
  766. Julian, Percy
  767. juvenile hormone
  768. Jābir ibn Ḥayyān, Abū Mūsā
  769. kamacite
  770. Karikó, Katalin
  771. Karle, Jerome
  772. Karplus, Martin
  773. Karrer, Paul
  774. Kekule von Stradonitz, August
  775. Kendall, Edward Calvin
  776. Kendrew, Sir John Cowdery
  777. keratin
  778. ketene
  779. ketoconazole
  780. ketone
  781. Kevlar
  782. Khorana, Har Gobind
  783. kinase
  784. Kipping, Frederic Stanley
  785. Kirwan, Richard
  786. Kitagawa, Susumu
  787. Klaproth, Martin Heinrich
  788. Klaus, Karl Karlovich
  789. Klug, Aaron
  790. Knorr, Ludwig
  791. Knowles, William S.
  792. Kobilka, Brian K.
  793. Kohn, Walter
  794. Kolbe, Hermann
  795. Kopp, Hermann Franz Moritz
  796. Kornberg, Arthur
  797. Kornberg, Roger D.
  798. Kossel, Albrecht
  799. Krebs, Edwin Gerhard
  800. Krebs, Sir Hans Adolf
  801. Kroto, Sir Harold W.
  802. krypton
  803. Kuhn, Richard
  804. Kuhn, Werner
  805. Kunckel von Löwenstjern, Johann
  806. Kwolek, Stephanie
  807. Körner, Wilhelm
  808. lactase
  809. lactic acid
  810. lactone
  811. lactose
  812. Lahav, Meir
  813. Langmuir, Irving
  814. lanthanide
  815. lanthanide contraction
  816. lanthanum
  817. Laurent, Auguste
  818. Lauterbur, Paul
  819. Lavoisier, Antoine
  820. law of definite proportions
  821. law of mass action
  822. law of multiple proportions
  823. law of octaves
  824. law of reciprocal proportions
  825. lawrencium
  826. Le Bel, Joseph-Achille
  827. Le Chatelier, Henry-Louis
  828. lead
  829. Lebedev, Sergey Vasilyevich
  830. Leblanc, Nicolas
  831. Lebon, Philippe
  832. lecithin
  833. Lecoq de Boisbaudran, Paul-Émile
  834. Lee, Yuan T.
  835. Lefkowitz, Robert J.
  836. Lehn, Jean-Marie
  837. Leiserowitz, Leslie
  838. Leloir, Luis Federico
  839. Leslie, Sir John
  840. leucine
  841. Levene, Phoebus
  842. Levitt, Michael
  843. levodopa
  844. levonorgestrel
  845. Lewis theory
  846. Lewis, Gilbert N.
  847. lewisite
  848. Libavius, Andreas
  849. Libby, Willard Frank
  850. Liebig, Justus, Freiherr von
  851. ligand
  852. ligand field theory
  853. ligase
  854. limonene
  855. Lindahl, Tomas
  856. lipase
  857. lipid
  858. Lipmann, Fritz Albert
  859. lipoprotein
  860. Lipscomb, William Nunn, Jr.
  861. list of chemical elements
  862. list of chemists
  863. List, Benjamin
  864. litharge
  865. lithium
  866. livermorium
  867. Lomonosov, Mikhail
  868. London, Fritz Wolfgang
  869. Loschmidt, Joseph
  870. Louis Pasteur’s Contributions to Science
  871. Lovelock, James
  872. LSD
  873. luciferase
  874. luciferin
  875. Lucite
  876. luteinizing hormone
  877. lutetium
  878. lyase
  879. lycopene
  880. lye
  881. Lynen, Feodor
  882. lysine
  883. lysozyme
  884. MacDiarmid, Alan G.
  885. Macintosh, Charles
  886. MacKinnon, Roderick
  887. MacMillan, David W.C.
  888. macromolecule
  889. magnesium
  890. major industrial polymers
  891. malathion
  892. maleic acid
  893. malonic acid
  894. maltase
  895. maltose
  896. manganese
  897. Marcus, Rudolph A.
  898. Marggraf, Andreas Sigismund
  899. Marignac, Jean-Charles Galissard de
  900. Mark, Herman Francis
  901. Markovnikov rule
  902. Markovnikov, Vladimir Vasilyevich
  903. Martin, A.J.P.
  904. Marvel, Carl Shipp
  905. mass action, law of
  906. massicot
  907. Mayow, John
  908. McMillan, Edwin Mattison
  909. meitnerium
  910. melamine
  911. melamine-formaldehyde resin
  912. melanocyte-stimulating hormone
  913. melatonin
  914. Meldal, Morten P.
  915. Mendel, Lafayette Benedict
  916. Mendeleev, Dmitri
  917. mendelevium
  918. Menten, Maud Leonora
  919. menthol
  920. mercury
  921. Merrifield, Bruce
  922. messenger RNA
  923. metal
  924. metal carbonyl
  925. metalation
  926. metalloid
  927. methane
  928. methanol
  929. methionine
  930. methoxychlor
  931. methyl bromide
  932. methyl chloride
  933. methyl group
  934. methylene chloride
  935. Meyer, Lothar
  936. Meyer, Viktor
  937. Meyerhof, Otto
  938. Meyerson, Émile
  939. Michaelis-Menten kinetics
  940. Michel, Hartmut
  941. microRNA
  942. microscopic reversibility, principle of
  943. Midgley, Thomas, Jr.
  944. misch metal
  945. Mitchell, Peter Dennis
  946. Mitscherlich, Eilhardt
  947. modacrylic
  948. Modrich, Paul
  949. Moerner, W.E.
  950. Mohr, Karl Friedrich
  951. Moissan, Henri
  952. Mojsov, Svetlana
  953. molecular weight
  954. molecule
  955. Molina, Mario
  956. molybdenum
  957. Mond, Ludwig
  958. Monod, Jacques
  959. monomer
  960. monosaccharide
  961. monosodium glutamate
  962. Moore, Stanford
  963. Morley, Edward Williams
  964. Mosander, Carl Gustaf
  965. moscovium
  966. Moseley, Henry
  967. Mulliken, Robert Sanderson
  968. Mullis, Kary
  969. multiple proportions, law of
  970. mustard gas
  971. Mylar
  972. myoglobin
  973. myosin
  974. Müller, Paul Hermann
  975. naphthalene
  976. naphthol
  977. native element
  978. Natta, Giulio
  979. Needham, Joseph
  980. Nef, John Ulric
  981. Negishi Ei-ichi
  982. neodymium
  983. neon
  984. neoprene
  985. neptunium
  986. Nernst, Walther
  987. neuraminidase
  988. neurohormone
  989. neurotransmitter
  990. neurotransmitter release
  991. Newlands, John
  992. niacin
  993. Nicholson, William
  994. nickel
  995. nickel–iron
  996. nicotine
  997. Nieuwland, Julius Arthur
  998. nihonium
  999. niobium
  1000. Nirenberg, Marshall Warren
  1001. nitrate
  1002. nitrate and iodate minerals
  1003. nitric acid
  1004. nitric oxide
  1005. nitride
  1006. nitrile
  1007. nitrite
  1008. nitro compound
  1009. nitrobenzene
  1010. nitrocellulose
  1011. nitrogen
  1012. nitrogen dioxide
  1013. nitrogen group element
  1014. nitroglycerin
  1015. nitroso compound
  1016. nitrous acid
  1017. nitrous oxide
  1018. Noailles, Jean-Paul-François, 5 duc de
  1019. Nobel, Alfred
  1020. nobelium
  1021. noble gas
  1022. Nocera, Daniel G.
  1023. Noddack, Ida
  1024. nonmetal
  1025. nonstoichiometric compound
  1026. norepinephrine
  1027. Norrish, Ronald George Wreyford
  1028. Northrop, John Howard
  1029. Novichok
  1030. Noyori Ryōji
  1031. nuclease
  1032. nucleic acid
  1033. nucleophile
  1034. nucleoprotein
  1035. nucleoside
  1036. nucleotide
  1037. nylon
  1038. Nüsslein-Volhard, Christiane
  1039. Ocean Acidification: How Carbon Dioxide Is Hurting the Seas
  1040. octane number
  1041. octaves, law of
  1042. octet
  1043. oganesson
  1044. Olah, George A.
  1045. olefin
  1046. oleic acid
  1047. oligonucleotide
  1048. oligosaccharide
  1049. Onsager, Lars
  1050. Onslow, Muriel Wheldale
  1051. Oparin, Aleksandr
  1052. organic chemistry
  1053. organic compound
  1054. organohalogen compound
  1055. organometallic compound
  1056. organosulfur compound
  1057. osmium
  1058. Ostwald, Wilhelm
  1059. Ostwald, Wolfgang
  1060. oxalic acid
  1061. oxidation
  1062. oxidation number
  1063. oxidation-reduction reaction
  1064. oxide
  1065. oxide mineral
  1066. oxidoreductase
  1067. oxime
  1068. oxyacid
  1069. oxygen
  1070. oxygen group element
  1071. oxytocin
  1072. ozone
  1073. ozonide
  1074. ozonolysis
  1075. palladium
  1076. pancreatic polypeptide
  1077. Paneth, Friedrich Adolf
  1078. pantothenic acid
  1079. papain
  1080. para-aminobenzoic acid
  1081. paraffin hydrocarbon
  1082. parathion
  1083. parathyroid hormone
  1084. Parkes, Alexander
  1085. Parsons, Jack
  1086. Pasteur, Louis
  1087. Pauling on periodic law
  1088. Pauling, Linus
  1089. Payen, Anselme
  1090. Peacocke, Arthur
  1091. pectin
  1092. Pedersen, Charles J.
  1093. Pelletier, Pierre-Joseph
  1094. pepsin
  1095. peptide
  1096. per- and polyfluoroalkyl substance
  1097. periodic table
  1098. Perkin, Sir William Henry
  1099. peroxide
  1100. peroxy acid
  1101. Perutz, Max Ferdinand
  1102. PETN
  1103. phase
  1104. phenol
  1105. phenol-formaldehyde resin
  1106. phenylalanine
  1107. pheromone
  1108. phlogiston
  1109. phorate
  1110. phosgene
  1111. phosphate
  1112. phosphate mineral
  1113. phosphide
  1114. phosphine
  1115. phosphofructokinase
  1116. phospholipid
  1117. phosphoric acid
  1118. phosphorous acid
  1119. phosphorus
  1120. phosphorylation
  1121. photochemical equivalence law
  1122. photochemical reaction
  1123. photolysis
  1124. photoprotein
  1125. photosensitization
  1126. photosynthesis
  1127. phthalic acid
  1128. physical chemistry
  1129. phytol
  1130. Piccard, Jean-Felix
  1131. Pickles, Samuel Shrowder
  1132. picric acid
  1133. pigment
  1134. pinene
  1135. piperine
  1136. platinum
  1137. platinum–iridium
  1138. plutonium
  1139. Polanyi, John C.
  1140. polarity
  1141. polonium
  1142. polyacrylamide
  1143. polyacrylate
  1144. polyacrylate elastomer
  1145. polyacrylonitrile
  1146. polyamide
  1147. polyarylate
  1148. polybutylene terephthalate
  1149. polycarbonate
  1150. polychlorinated biphenyl
  1151. polychlorotrifluoroethylene
  1152. polyester
  1153. polyether
  1154. polyethylene
  1155. polyethylene glycol
  1156. polyethylene terephthalate
  1157. polyHEMA
  1158. polyisoprene
  1159. polymer
  1160. polymer, inorganic
  1161. polymerization
  1162. polymethyl methacrylate
  1163. polyolefin
  1164. polypropylene
  1165. polysaccharide
  1166. polystyrene
  1167. polysulfide
  1168. polysulfone
  1169. polytetrafluoroethylene
  1170. polyurethane
  1171. polyvinyl acetate
  1172. polyvinyl alcohol
  1173. polyvinyl fluoride
  1174. polyvinylidene chloride
  1175. polyvinylidene fluoride
  1176. Pople, Sir John A.
  1177. Porter, Rodney Robert
  1178. Porter, Sir George, Baron Porter of Luddenham
  1179. potash
  1180. potassium
  1181. potassium chloride
  1182. potassium nitrate
  1183. praseodymium
  1184. Pregl, Fritz
  1185. Prelog, Vladimir
  1186. Priestley, Joseph
  1187. Prigogine, Ilya
  1188. principle of microscopic reversibility
  1189. prion
  1190. progesterone
  1191. prolactin
  1192. prolamin
  1193. proline
  1194. promethium
  1195. promoter
  1196. propane
  1197. propyl alcohol
  1198. propylene
  1199. propylene glycol
  1200. prostaglandin
  1201. protactinium
  1202. protamine
  1203. protein
  1204. Protein Calculator
  1205. proteolysis
  1206. proteolytic enzyme
  1207. prothrombin
  1208. protium
  1209. Proust, Joseph-Louis
  1210. Prout, William
  1211. psilocin
  1212. psilocybin
  1213. purine
  1214. PVC
  1215. pyran
  1216. pyrazine
  1217. pyrazole
  1218. pyridine
  1219. pyrimidine
  1220. pyrogallol
  1221. pyrolysis
  1222. pyrrole
  1223. pyruvic acid
  1224. quicklime
  1225. quinidine
  1226. quinine
  1227. quinoline
  1228. quinone
  1229. radical
  1230. radioactive isotope
  1231. radium
  1232. radon
  1233. Ramakrishnan, Venki
  1234. Ramsay, Sir William
  1235. rancidity
  1236. Raoult, François-Marie
  1237. rare-earth element
  1238. rayon
  1239. reaction mechanism
  1240. reaction rate
  1241. reaction, heat of
  1242. reactor
  1243. reduction
  1244. Regnault, Henri-Victor
  1245. Reichstein, Tadeus
  1246. relaxation phenomenon
  1247. relaxin
  1248. Remsen, Ira
  1249. renin
  1250. renin-angiotensin system
  1251. rennin
  1252. repression
  1253. reserpine
  1254. resin
  1255. resonance, theory of
  1256. resorcinol
  1257. restriction enzyme
  1258. reverse transcriptase
  1259. rhenium
  1260. rhodium
  1261. rhodopsin
  1262. riboflavin
  1263. ribose
  1264. ribosomal RNA
  1265. Richards, Ellen Swallow
  1266. Richards, Theodore William
  1267. ricin
  1268. RNA
  1269. Robinson, Sir Robert
  1270. Robson, Richard
  1271. Rochelle salt
  1272. Rodbell, Martin
  1273. Roebuck, John
  1274. roentgenium
  1275. Rose family
  1276. Rose, Irwin
  1277. Rothman, James E.
  1278. Rowland, F. Sherwood
  1279. Royal Swedish Academy of Sciences
  1280. rubber
  1281. rubidium
  1282. Runge, Friedlieb Ferdinand
  1283. Rush, Benjamin
  1284. ruthenium
  1285. Rutherford, Ernest
  1286. rutherfordium
  1287. Ružička, Leopold
  1288. Sabatier, Paul
  1289. saccharin
  1290. sago
  1291. Sainte-Claire Deville, Henri-Étienne
  1292. salicylic acid
  1293. salinity
  1294. salt
  1295. saltpetre
  1296. samarium
  1297. sample preparation
  1298. Samuelsson, Bengt Ingemar
  1299. Sancar, Aziz
  1300. Sanger, Frederick
  1301. sapogenin
  1302. saponin
  1303. saturated fat
  1304. Saussure, Nicolas-Théodore de
  1305. Sauvage, Jean-Pierre
  1306. scandium
  1307. Schaefer, Vincent Joseph
  1308. Scheele, Carl Wilhelm
  1309. Schekman, Randy W.
  1310. Schoenheimer, Rudolf
  1311. schreibersite
  1312. Schrock, Richard R.
  1313. Schönbein, Christian Friedrich
  1314. Scientific Revolution
  1315. scleroprotein
  1316. Scottish Enlightenment
  1317. Seaborg, Glenn T.
  1318. seaborgium
  1319. secretin
  1320. Seibert, Florence
  1321. selenium
  1322. Selmi, Francesco
  1323. Semon, Waldo
  1324. Semyonov, Nikolay Nikolayevich
  1325. serine
  1326. serotonin
  1327. serum albumin
  1328. sex hormone
  1329. Sharpless, K. Barry
  1330. Shavers, Cheryl L.
  1331. Shechtman, Daniel
  1332. Shimomura, Osamu
  1333. Shirakawa Hideki
  1334. Sidgwick, Nevil Vincent
  1335. silane
  1336. silica
  1337. silica gel
  1338. silica mineral
  1339. silicic acid
  1340. silicon
  1341. silicon carbide
  1342. silicone
  1343. Silliman, Benjamin
  1344. silver
  1345. silver nitrate
  1346. Skou, Jens C.
  1347. Smalley, Richard E.
  1348. Smith, George P.
  1349. Smith, Michael
  1350. Smithies, Oliver
  1351. soda lime
  1352. Soddy, Frederick
  1353. sodium
  1354. sodium bicarbonate
  1355. sodium hydroxide
  1356. soft water
  1357. soil chemistry
  1358. Solvay, Ernest
  1359. solvolysis
  1360. somatostatin
  1361. Sondheimer, Franz
  1362. Spedding, Frank Harold
  1363. sphingolipid
  1364. spironolactone
  1365. spontaneous combustion
  1366. Stahl, Georg Ernst
  1367. Stanley, Wendell Meredith
  1368. starch
  1369. Staudinger, Hermann
  1370. steam
  1371. stearic acid
  1372. stearyl alcohol
  1373. Stein, William H.
  1374. Steitz, Thomas
  1375. stereochemistry
  1376. steroid
  1377. steroid hormone
  1378. Stieglitz, Julius
  1379. Stoddart, Fraser
  1380. stoichiometry
  1381. strain theory
  1382. Strassmann, Fritz
  1383. strontium
  1384. strychnine
  1385. styrene
  1386. styrene-acrylonitrile copolymer
  1387. styrene-butadiene and styrene-isoprene block copolymers
  1388. styrene-maleic anhydride copolymer
  1389. substitution reaction
  1390. succinic acid
  1391. sucrase
  1392. sucrose
  1393. sugar
  1394. sulfate
  1395. sulfate mineral
  1396. sulfation
  1397. sulfide
  1398. sulfide mineral
  1399. sulfonamide
  1400. sulfonation
  1401. sulfone
  1402. sulfonic acid
  1403. sulfoxide
  1404. sulfur
  1405. sulfur dioxide
  1406. sulfur oxide
  1407. sulfuric acid
  1408. Sumner, James Batcheller
  1409. superheated steam
  1410. surface analysis
  1411. Suzuki Akira
  1412. Svedberg, Theodor H.E.
  1413. Swan, Joseph
  1414. Sylvius, Franciscus
  1415. Synge, R.L.M.
  1416. Szent-Györgyi, Albert
  1417. Szostak, Jack W.
  1418. taenite
  1419. Takamine, Jokichi
  1420. Talbot, William Henry Fox
  1421. Tammann, Gustav
  1422. Tanaka Koichi
  1423. tantalum
  1424. tartaric acid
  1425. Tatum, Edward L.
  1426. Taube, Henry
  1427. taxol
  1428. tear gas
  1429. technetium
  1430. Telkes, Mária
  1431. tellurium
  1432. telomerase
  1433. tennessine
  1434. terbium
  1435. terpene
  1436. testosterone
  1437. tetrachloroethane
  1438. tetrachloroethylene
  1439. tetraethyl lead
  1440. tetraethyl pyrophosphate
  1441. tetrafluoroethylene
  1442. tetrahydrocannabinol
  1443. thallium
  1444. Thenard, Louis-Jacques
  1445. theobromine
  1446. theophylline
  1447. Theorell, Axel Hugo Teodor
  1448. theory of resonance
  1449. thiamin
  1450. thiazine
  1451. thiazole
  1452. thimerosal
  1453. thiol
  1454. thiophene
  1455. thiourea
  1456. Thomsen, Julius
  1457. thoracotropic hormone
  1458. thorium
  1459. thorium series
  1460. Thorpe, Sir Thomas Edward
  1461. threonine
  1462. thulium
  1463. thymine
  1464. thyrotropin
  1465. thyrotropin-releasing hormone
  1466. thyroxine
  1467. tin
  1468. Tiselius, Arne
  1469. titanium
  1470. titanium dioxide
  1471. Today in History—April 19: The Very First Acid Trip in History
  1472. Today in History—March 6: The Introduction of the Periodic Table
  1473. Todd (of Trumpington), Alexander Robertus Todd, Baron
  1474. tolbutamide
  1475. Tolman, Richard C
  1476. toluene
  1477. Torrey, John
  1478. toxin
  1479. transaminase
  1480. transcription factor
  1481. transfer RNA
  1482. transferase
  1483. transferrin
  1484. transition metal
  1485. transition-state theory
  1486. transuranium element
  1487. Traube, Isidor
  1488. triad
  1489. tributyl phosphate
  1490. trichloroethane
  1491. trichloroethylene
  1492. triglyceride
  1493. trinitrotoluene
  1494. tritium
  1495. triton
  1496. tryptophan
  1497. Tsien, Roger Y.
  1498. Tu Youyou
  1499. tumour necrosis factor
  1500. tungsten
  1501. tungsten carbide
  1502. Tyrian purple
  1503. tyrosine
  1504. ubiquinone
  1505. unsaturated fat
  1506. unsaturated polyester
  1507. uracil
  1508. uranium
  1509. uranium series
  1510. uranium-235
  1511. urea
  1512. urea-formaldehyde resin
  1513. urease
  1514. Urey, Harold C.
  1515. uric acid
  1516. valine
  1517. van der Waals forces
  1518. vanadic anhydride
  1519. vanadium
  1520. Vane, Sir John Robert
  1521. varnish
  1522. vasoactive intestinal polypeptide
  1523. vasopressin
  1524. Vauquelin, Nicolas-Louis
  1525. Venter, J. Craig
  1526. Vieille, Paul
  1527. vinyl acetate
  1528. vinyl chloride
  1529. vinyl compound
  1530. vinyl fluoride
  1531. vinylidene chloride
  1532. Virtanen, Artturi Ilmari
  1533. vitamin
  1534. vitamin A
  1535. vitamin B complex
  1536. vitamin B12
  1537. vitamin B6
  1538. vitamin C
  1539. vitamin D
  1540. vitamin E
  1541. vitamin K
  1542. vitriol
  1543. von Willebrand factor
  1544. Vrba, Rudolf
  1545. Wagner, Carl
  1546. Waksman, Selman Abraham
  1547. Wald, George
  1548. Walden, Paul
  1549. Walker, John
  1550. Wallach, Otto
  1551. Warburg, Otto
  1552. warfarin
  1553. Warshel, Arieh
  1554. washing soda
  1555. water
  1556. Water Explained in 5 Questions
  1557. Weizmann, Chaim
  1558. Welsbach, Carl Auer, Freiherr von
  1559. Werner, Alfred
  1560. What Causes Acid Rain?
  1561. What Causes Allergies?
  1562. What Color Is the Hottest Flame?
  1563. What Is Astatine Used For?
  1564. What is Hexavalent Chromium (or Chromium-6)?
  1565. What Is the Difference Between a Peptide and a Protein?
  1566. What Is the Difference Between Cotton and Polyester?
  1567. What Is the Difference Between DNA and RNA?
  1568. What Is the Difference Between Iron and Steel?
  1569. What Is the Statue of Liberty Made Of?
  1570. When Was the Periodic Table Invented?
  1571. Whitney, Willis Rodney
  1572. Whittingham, M. Stanley
  1573. Why Are Flamingos Pink?
  1574. Why Are Tomatoes Red?
  1575. Why Do Humans Need Water?
  1576. Why Do Onions Make You Cry?
  1577. Why Do Radishes Taste Spicy?
  1578. Why Does Blood Taste Like Metal?
  1579. Why Does Ice Float on Water?
  1580. Why Does Water Freeze from the Top Down?
  1581. Why Is a Group of Molecules Called a Mole?
  1582. Why Is Eating Protein Important?
  1583. Why Is Mars Called the Red Planet?
  1584. Why is nitrogen essential to life?
  1585. Why Is The Ocean Blue?
  1586. Why Is the Ocean Salty?
  1587. Why Is There Fresh and Salt Water on Earth?
  1588. Wieland, Heinrich Otto
  1589. Wilkinson, Sir Geoffrey
  1590. Williamson, Alexander William
  1591. Willstätter, Richard
  1592. Windaus, Adolf
  1593. Winkler, Clemens Alexander
  1594. Winter, Gregory P.
  1595. Wislicenus, Johannes
  1596. Wittig, Georg
  1597. Wollaston, William Hyde
  1598. Woodward, Robert Burns
  1599. Wrinch, Dorothy Maud
  1600. Wurtz, Charles-Adolphe
  1601. Wyckoff, Ralph Walter Graystone
  1602. Wöhler, Friedrich
  1603. Wüthrich, Kurt
  1604. xanthan gum
  1605. xanthate
  1606. xenon
  1607. xylene
  1608. Yaghi, Omar M.
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