Wikipedia:WikiProject Chemistry/Popular pages

This is a list of pages in the scope of Wikipedia:WikiProject Chemistry along with pageviews.

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List

Period: 2025-08-01 to 2025-08-31

Total views: 13,591,377

Updated: 01:02, 6 September 2025 (UTC)

Rank	Page title	Views	Daily average	Assessment	Importance
1	Periodic table	315,343	10,172	FA	Top
2	Marie Curie	158,787	5,122	GA	High
3	Thermonuclear weapon	75,237	2,427	C	Mid
4	Smelling salts	71,317	2,300	C	Low
5	Entropy	60,390	1,948	B	High
6	Vitamin D	55,388	1,786	B	Mid
7	Rare-earth element	49,239	1,588	C	Low
8	Petroleum	48,262	1,556	C	Mid
9	Lithium-ion battery	47,905	1,545	C	Low
10	Amino acid	42,849	1,382	GA	Mid
11	Michael Faraday	42,418	1,368	B	Top
12	PH	42,062	1,356	C	Top
13	Steel	41,020	1,323	GA	High
14	Atom	40,672	1,312	B	Top
15	Schrödinger equation	38,826	1,252	B	High
16	Ineos	38,410	1,239	C	Mid
17	Mirror life	37,497	1,209	Start	Low
18	Fritz Haber	37,248	1,201	C	High
19	Carol Robinson	36,853	1,188	C	Low
20	Rayon	36,785	1,186	C	Low
21	Chemistry	35,208	1,135	B	Top
22	PFAS	34,403	1,109	C	Mid
23	Vantablack	33,943	1,094	C	Low
24	Protein	33,818	1,090	GA	High
25	Tobacco	33,778	1,089	B	Low
26	Gasoline	33,174	1,070	B	Mid
27	Fire	32,730	1,055	B	Top
28	Jack Parsons	32,012	1,032	FA	Low
29	Group (periodic table)	31,576	1,018	C	High
30	Cyanide	31,409	1,013	B	High
31	Alchemical symbol	30,578	986	List	Low
32	Chemical element	30,194	974	C	Top
33	Linus Pauling	30,146	972	B	Top
34	Ernest Rutherford	29,625	955	B	High
35	Bitumen	28,955	934	B	Low
36	Lithium iron phosphate battery	28,811	929	C	Mid
37	Plastic	28,792	928	B	High
38	Alcohol intoxication	28,319	913	B	Mid
39	Mole (unit)	28,147	907	C	Top
40	Bronze	28,011	903	C	Mid
41	Electron	27,786	896	FA	High
42	Brass	27,407	884	B	Mid
43	Classical element	26,989	870	C	Mid
44	Paracelsus	26,214	845	B	High
45	Proton	25,912	835	C	Top
46	Avogadro constant	25,885	835	GA	High
47	Metal	25,114	810	B	Top
48	Maillard reaction	25,020	807	C	Low
49	Diesel fuel	24,964	805	C	Mid
50	Polymer	24,747	798	B	High
51	Octane rating	24,555	792	B	Low
52	Soap	24,523	791	B	High
53	Second law of thermodynamics	24,172	779	C	Top
54	Lye	23,937	772	C	Mid
55	Antoine Lavoisier	23,756	766	B	High
56	Novichok	22,815	735	C	Low
57	Corticosteroid	22,814	735	C	Low
58	Phases of ice	22,255	717	C	High
59	Haber process	22,215	716	B	High
60	Ion	22,188	715	B	Top
61	Crystal	22,157	714	B	High
62	Bleach	22,135	714	C	Mid
63	Lyocell	21,863	705	B	Low
64	Sodium-ion battery	21,823	703	C	Low
65	Steroid	21,688	699	C	Mid
66	Liquefied petroleum gas	21,543	694	C	Mid
67	Electric battery	21,080	680	C	Mid
68	Atomic orbital	20,980	676	B	Mid
69	Harrison Ruffin Tyler	20,676	666	C	Low
70	Cement	20,622	665	B	Low
71	Solid-state battery	20,272	653	C	Low
72	Redox	20,214	652	C	Top
73	Savannah River Site	20,115	648	GA	Low
74	Dmitri Mendeleev	19,872	641	B	Top
75	Pitch (resin)	19,785	638	C	Low
76	Alum	19,736	636	B	High
77	Cloud	19,620	632	GA	Low
78	Wrought iron	19,498	628	C	Mid
79	Ester	19,423	626	C	High
80	Thermodynamics	19,231	620	B	Top
81	Polyethylene	19,204	619	B	High
82	Sonogashira coupling	19,002	612	C	Mid
83	Extended periodic table	18,593	599	B	Low
84	Corrosion	18,590	599	B	Mid
85	Pig iron	18,556	598	C	Low
86	Electrolyte	18,435	594	C	Mid
87	Distillation	18,363	592	B	High
88	Ether	18,223	587	B	High
89	Synthetic diamond	18,133	584	FA	Mid
90	Buchwald–Hartwig amination	18,128	584	C	Mid
91	Aqua regia	18,094	583	C	Mid
92	Pewter	17,905	577	C	Low
93	High-fructose corn syrup	17,704	571	B	Low
94	Nicolas Flamel	17,548	566	C	Low
95	Fiberglass	17,528	565	C	Low
96	Organic compound	17,460	563	C	Top
97	Bauxite	17,402	561	C	Mid
98	Chemical substance	17,210	555	B	Top
99	Ice	17,150	553	GA	High
100	Hydrocarbon	17,131	552	C	High
101	Nanotechnology	17,078	550	B	High
102	Organic chemistry	17,055	550	B	Top
103	Portland cement	16,969	547	B	Low
104	Wave function	16,927	546	C	Mid
105	Isotope	16,864	544	C	High
106	Polylactic acid	16,712	539	C	Low
107	Pyrolysis	16,609	535	C	Mid
108	Shea butter	16,560	534	Start	Low
109	Cast iron	16,524	533	C	Mid
110	Activated carbon	16,454	530	C	Mid
111	Tar	16,288	525	C	Mid
112	Molecule	16,044	517	C	Top
113	Van der Waals force	15,909	513	C	High
114	Dry ice	15,855	511	B	Mid
115	Brine	15,761	508	C	Low
116	Alkaloid	15,711	506	B	Top
117	Specific heat capacity	15,629	504	C	High
118	Musk	15,449	498	Start	Mid
119	Prafulla Chandra Ray	15,377	496	Start	Low
120	Fuel cell	15,349	495	B	Mid
121	Acid	15,329	494	C	Top
122	Tear gas	15,219	490	C	Mid
123	GHS hazard pictograms	15,193	490	List	Mid
124	Surface tension	15,079	486	C	Mid
125	Composition of the human body	15,039	485	C	Low
126	Biochemistry	15,010	484	C	High
127	Pharmaceutical industry	15,000	483	B	Mid
128	Thermite	14,875	479	C	Mid
129	Chemical formula	14,840	478	C	High
130	Gibbs free energy	14,807	477	B	Top
131	Alloy	14,731	475	C	High
132	Nobel Prize in Chemistry	14,731	475	B	High
133	John Dalton	14,691	473	B	Top
134	Hard water	14,669	473	C	Mid
135	Salt (chemistry)	14,596	470	C	High
136	Depleted uranium	14,579	470	B	Low
137	Thermoelectric heat pump	14,481	467	C	Low
138	Oil	14,452	466	C	Mid
139	Phosphate	14,419	465	C	Top
140	Amine	14,415	465	C	High
141	Tannin	14,364	463	C	High
142	Alexander Shulgin	14,297	461	C	Low
143	Covalent bond	14,293	461	B	High
144	Liquid nitrogen	14,287	460	C	High
145	Bioluminescence	14,173	457	GA	Low
146	Polychlorinated biphenyl	14,047	453	B	High
147	Enthalpy	14,025	452	C	Top
148	Fat	13,923	449	B	High
149	Creosote	13,919	449	B	Low
150	Surfactant	13,910	448	C	Mid
151	Paraffin wax	13,906	448	C	High
152	Cyanoacrylate	13,863	447	C	Mid
153	Erlenmeyer flask	13,792	444	Start	Low
154	Lead–acid battery	13,771	444	C	Mid
155	Chemical compound	13,622	439	B	Top
156	Ketone	13,471	434	B	High
157	Materials science	13,469	434	B	High
158	Gas	13,395	432	B	Top
159	Rust	13,378	431	C	High
160	Sublimation (phase transition)	13,362	431	C	High
161	Frontier molecular orbital theory	13,344	430	C	Low
162	Jennifer Doudna	13,333	430	B	Mid
163	Hazard symbol	13,223	426	Start	High
164	Anthocyanin	13,207	426	B	Mid
165	Colored gold	13,131	423	C	Mid
166	Tetrahedral molecular geometry	13,119	423	C	High
167	Percy Lavon Julian	13,073	421	B	Low
168	Chirality	13,046	420	B	High
169	Smelting	13,041	420	C	Low
170	Mass spectrometry	13,033	420	B	High
171	Carboxylic acid	13,031	420	C	Top
172	Colloid	13,004	419	B	High
173	Emulsion	12,990	419	C	Mid
174	Free base	12,943	417	Start	Mid
175	Karen Wetterhahn	12,915	416	C	Mid
176	Volatile organic compound	12,820	413	C	Low
177	Pauli exclusion principle	12,796	412	B	Mid
178	First law of thermodynamics	12,730	410	B	Top
179	Smoking	12,707	409	B	Low
180	Vulcanization	12,646	407	C	Mid
181	Liquid	12,568	405	B	Top
182	Chirality (chemistry)	12,554	404	C	Top
183	Island of stability	12,501	403	FA	Low
184	Crystal structure	12,479	402	B	High
185	Spectroscopy	12,464	402	C	Top
186	Chromatography	12,455	401	B	High
187	Electron microscope	12,452	401	B	Mid
188	Lubricant	12,446	401	C	Low
189	Raman spectroscopy	12,408	400	C	Low
190	Electron configuration	12,383	399	C	Top
191	Safety data sheet	12,349	398	C	High
192	Arsenic poisoning	12,319	397	B	Low
193	Piranha solution	12,307	397	C	Low
194	Standard temperature and pressure	12,284	396	B	High
195	MDPI	12,209	393	C	Low
196	Chiral auxiliary	12,199	393	C	Low
197	Lead glass	12,132	391	B	Mid
198	Hydrogen bond	12,113	390	B	High
199	Match	12,052	388	C	Mid
200	Aerogel	11,915	384	B	High
201	NileRed	11,834	381	Start	NA
202	Nickel–metal hydride battery	11,830	381	C	Low
203	Anode	11,825	381	C	Mid
204	Glenn T. Seaborg	11,809	380	GA	High
205	Tobacco smoking	11,800	380	B	High
206	Alcohol (chemistry)	11,777	379	B	Top
207	Poison	11,774	379	B	High
208	Chemical reaction	11,655	375	C	Top
209	Scientific law	11,586	373	C	High
210	Trans fat	11,572	373	B	Mid
211	Discovery of chemical elements	11,453	369	C	Mid
212	Weathering steel	11,443	369	C	Low
213	MP Materials	11,438	368	C	Low
214	Terpene	11,399	367	B	Mid
215	Chlorofluorocarbon	11,333	365	B	High
216	Fluoride	11,309	364	B	High
217	Suzuki reaction	11,294	364	Start	High
218	Alkali	11,293	364	Start	High
219	Abu Bakr al-Razi	11,293	364	C	Mid
220	Hypothetical types of biochemistry	11,271	363	C	Low
221	Chelation	11,230	362	C	Mid
222	Combustion	11,216	361	C	High
223	Transition metal	11,210	361	B	High
224	Charles Sanders Peirce	11,196	361	B	Low
225	Electrolysis	11,185	360	C	High
226	Polyphenol	11,126	358	Start	Mid
227	Nucleophilic aromatic substitution	11,088	357	C	High
228	High-performance liquid chromatography	11,053	356	B	Low
229	Enantiomer	10,969	353	C	High
230	Molar mass	10,958	353	C	High
231	Density functional theory	10,935	352	C	High
232	Saturated fat	10,931	352	B	High
233	X-ray crystallography	10,924	352	C	High
234	Oxygen toxicity	10,922	352	FA	Low
235	Electron shell	10,921	352	C	High
236	Antifreeze	10,831	349	B	Mid
237	Biological hazard	10,826	349	C	High
238	Catalysis	10,776	347	C	Top
239	Angstrom	10,776	347	C	Mid
240	List of refrigerants	10,733	346	List	Mid
241	Arrhenius equation	10,718	345	C	Mid
242	Chemical bond	10,672	344	C	Top
243	Aluminium-ion battery	10,634	343	C	Low
244	History of atomic theory	10,633	343	GA	Top
245	Electronegativity	10,614	342	B	High
246	Solvent	10,612	342	B	High
247	Paint	10,584	341	C	Low
248	Joseph Priestley	10,574	341	FA	Mid
249	Lithium polymer battery	10,568	340	C	Low
250	R-410A	10,454	337	B	Mid
251	Flavonoid	10,408	335	C	Mid
252	Chemical engineering	10,385	335	C	Mid
253	Hydrolysis	10,315	332	C	Top
254	Solvay Conference	10,311	332	C	Low
255	Robert Boyle	10,285	331	B	Mid
256	Heavy metals	10,283	331	B	Mid
257	Flash point	10,246	330	C	Mid
258	Chemical weapon	10,168	328	C	Mid
259	Carbon black	10,114	326	C	Mid
260	Chemical symbol	10,107	326	List	Mid
261	List of Nobel laureates in Chemistry	10,076	325	FL	High
262	Refrigerant	10,001	322	B	Low
263	Acid dissociation constant	9,999	322	B	High
264	Jabir ibn Hayyan	9,985	322	B	Mid
265	Button cell	9,975	321	C	Low
266	Alkane	9,941	320	B	Top
267	Humphry Davy	9,895	319	B	High
268	Fullerene	9,847	317	B	High
269	Aldehyde	9,777	315	C	High
270	Oxidizing agent	9,771	315	Start	Top
271	Chemical weapons in World War I	9,766	315	C	Low
272	Relative density	9,749	314	C	Mid
273	Galvanization	9,741	314	C	Mid
274	Synthetic rubber	9,739	314	C	Mid
275	Monosaccharide	9,730	313	C	High
276	Simplified Molecular Input Line Entry System	9,723	313	Start	Low
277	Flame	9,723	313	B	High
278	Heck reaction	9,666	311	B	High
279	Radical (chemistry)	9,663	311	C	High
280	Electrophilic aromatic substitution	9,632	310	C	High
281	Otto Hahn	9,603	309	FA	High
282	Xylene	9,598	309	C	Mid
283	Block (periodic table)	9,580	309	C	Low
284	Web of Science	9,553	308	C	Low
285	6061 aluminium alloy	9,543	307	C	Low
286	Wax	9,536	307	C	Mid
287	Stoichiometry	9,439	304	C	High
288	Nonmetal	9,432	304	GA	Mid
289	Nitrate	9,431	304	C	High
290	Solid	9,423	303	C	Top
291	Hygroscopy	9,290	299	C	High
292	Fourier-transform infrared spectroscopy	9,239	298	C	High
293	Fischer–Tropsch process	9,168	295	B	Mid
294	Melting point	9,163	295	C	High
295	Chemical warfare	9,146	295	C	Mid
296	Functional group	9,087	293	C	Top
297	Liquid oxygen	9,058	292	C	High
298	Mustard oil	9,053	292	C	Low
299	Hexagonal water	8,934	288	Start	Low
300	Phlogiston theory	8,909	287	B	Mid
301	Petrochemical	8,858	285	C	High
302	Savitzky–Golay filter	8,841	285	C	Low
303	Cytochrome P450	8,770	282	B	Mid
304	Liquid crystal	8,746	282	B	Mid
305	Gram	8,741	281	Start	High
306	List of battery types	8,736	281	List	Mid
307	Solubility	8,735	281	C	High
308	Outline of physical science	8,715	281	List	Low
309	Paramagnetism	8,695	280	B	Mid
310	Acrylic paint	8,676	279	C	Low
311	Molar concentration	8,626	278	C	High
312	Hydroxide	8,620	278	C	Top
313	CAS Registry Number	8,564	276	Start	Mid
314	Galvanic corrosion	8,564	276	C	Mid
315	IARC group 1	8,557	276	List	Low
316	Bunsen burner	8,555	275	C	Mid
317	Titration	8,524	274	B	Top
318	Electrolysis of water	8,475	273	C	Mid
319	Coal tar	8,453	272	C	Mid
320	Atomic mass	8,450	272	C	Top
321	Adhesive	8,431	271	C	Mid
322	Diels–Alder reaction	8,424	271	B	High
323	Solution (chemistry)	8,413	271	C	Top
324	Aerosol	8,363	269	C	Mid
325	Sulfate	8,339	269	C	High
326	Oxidation state	8,331	268	B	High
327	Phthalates	8,329	268	B	Mid
328	Polycyclic aromatic hydrocarbon	8,321	268	B	High
329	Olestra	8,318	268	B	Low
330	PiHKAL	8,282	267	Start	Low
331	Alkaline battery	8,278	267	C	Mid
332	Bicarbonate	8,165	263	C	High
333	Evaporation	8,159	263	C	High
334	Inorganic compound	8,142	262	Start	High
335	Nernst equation	8,127	262	C	High
336	Thermoplastic polyurethane	8,083	260	C	Low
337	Primordial nuclide	8,041	259	Start	Low
338	Lithium nickel manganese cobalt oxides	8,027	258	C	Low
339	Homogeneity and heterogeneity	7,997	257	C	Mid
340	Eutectic system	7,976	257	C	Low
341	Gas chromatography	7,976	257	B	Mid
342	IUPAC nomenclature of organic chemistry	7,913	255	B	High
343	Pulp (paper)	7,901	254	C	Low
344	Anodizing	7,888	254	C	Mid
345	Water vapor	7,881	254	C	Mid
346	Conservation of mass	7,862	253	C	High
347	Valence electron	7,844	253	C	High
348	Aromatic compound	7,819	252	C	High
349	Chloride	7,815	252	C	High
350	Vapour pressure of water	7,812	252	Start	Low
351	Base (chemistry)	7,794	251	C	Top
352	Jöns Jacob Berzelius	7,772	250	C	High
353	Saponification	7,768	250	C	Mid
354	Heat of combustion	7,730	249	C	High
355	Salinity	7,726	249	C	Low
356	Heat capacity	7,722	249	Start	High
357	Rebis	7,710	248	Start	Low
358	Rechargeable battery	7,703	248	C	Low
359	Yellowcake	7,690	248	Start	Mid
360	Centrifuge	7,687	247	C	Mid
361	Isocyanate	7,664	247	Start	Mid
362	Valence (chemistry)	7,626	246	C	High
363	Hexavalent chromium	7,563	243	B	Mid
364	Stille reaction	7,528	242	C	Mid
365	Smoke	7,498	241	C	Mid
366	List of largest chemical producers	7,488	241	List	Mid
367	Discovery of nuclear fission	7,456	240	FA	High
368	Herbicide	7,439	239	C	High
369	Globally Harmonized System of Classification and Labelling of Chemicals	7,437	239	C	Mid
370	Fogbank	7,393	238	Start	Low
371	Material	7,391	238	Start	Mid
372	Amide	7,309	235	C	Top
373	International Union of Pure and Applied Chemistry	7,285	235	GA	Top
374	Metallic hydrogen	7,282	234	B	Low
375	Alexander Borodin	7,278	234	Start	Low
376	Desiccation	7,268	234	C	Low
377	Azeotrope tables	7,259	234	List	Mid
378	Mebendazole	7,250	233	C	Mid
379	Heterocyclic compound	7,218	232	Start	High
380	Nuclear magnetic resonance spectroscopy	7,211	232	B	High
381	Standard electrode potential (data page)	7,171	231	List	Mid
382	Reactive oxygen species	7,131	230	C	Mid
383	Saponin	7,117	229	C	Mid
384	Acetate	7,106	229	C	High
385	Alkene	7,093	228	C	High
386	Carbon cycle	7,062	227	B	High
387	Oxalate	7,040	227	Start	Mid
388	Ultraviolet–visible spectroscopy	7,005	225	C	Mid
389	List of benzodiazepines	6,991	225	List	Low
390	Dioxins and dioxin-like compounds	6,984	225	C	Mid
391	Duralumin	6,983	225	Start	Low
392	Organophosphate	6,983	225	C	High
393	Buffer solution	6,960	224	C	High
394	Water ionizer	6,919	223	Start	Low
395	Allotropy	6,887	222	C	Low
396	Melamine foam	6,880	221	Start	Low
397	Ionic bonding	6,858	221	C	High
398	Amalgam (chemistry)	6,818	219	C	Mid
399	Beaker (laboratory equipment)	6,812	219	Start	Mid
400	Allotropes of carbon	6,811	219	C	Mid
401	Williamson ether synthesis	6,800	219	C	Mid
402	Amedeo Avogadro	6,773	218	C	Mid
403	Iron oxide	6,760	218	Start	Mid
404	Friedel–Crafts reaction	6,744	217	B	Mid
405	Nitrile rubber	6,734	217	C	Low
406	Detergent	6,722	216	C	Mid
407	List of benzimidazole opioids	6,710	216	List	Low
408	Aromaticity	6,705	216	B	High
409	Ferrous metallurgy	6,670	215	B	Low
410	Micellar solution	6,658	214	Stub	Low
411	Carbonate	6,640	214	C	High
412	Toxin	6,634	214	Start	Mid
413	Directed ortho metalation	6,620	213	B	Mid
414	Isomer	6,605	213	C	High
415	Glow stick	6,600	212	C	Low
416	Lithium–sulfur battery	6,577	212	B	High
417	Miscibility	6,569	211	C	Mid
418	Toxicology	6,566	211	C	Mid
419	Nickel silver	6,560	211	Start	Low
420	Plastic recycling	6,559	211	C	Low
421	Desiccant	6,556	211	C	Mid
422	Lewis acids and bases	6,552	211	Start	High
423	M. Stanley Whittingham	6,552	211	Start	Low
424	Belousov–Zhabotinsky reaction	6,533	210	Start	Low
425	Thermoplastic	6,503	209	C	Mid
426	Thiol	6,502	209	C	High
427	Flare	6,486	209	C	Low
428	Phase diagram	6,465	208	C	Mid
429	Sugar alcohol	6,463	208	C	Mid
430	Soot	6,455	208	C	Mid
431	Odor	6,438	207	C	Low
432	Alpha decay	6,436	207	C	Mid
433	Spontaneous combustion	6,433	207	Start	Mid
434	Alembic	6,432	207	Start	Low
435	Mixture	6,419	207	C	Mid
436	Wittig reaction	6,390	206	B	High
437	Steam	6,374	205	Start	High
438	GHS hazard statements	6,365	205	List	Mid
439	Racemic mixture	6,327	204	C	Mid
440	Graduated cylinder	6,317	203	Start	Low
441	Lennard-Jones potential	6,316	203	C	Mid
442	Voltaic pile	6,274	202	C	Low
443	Ammonium	6,245	201	C	High
444	Reductive amination	6,218	200	C	Mid
445	Quantum chemistry	6,214	200	C	Top
446	Chemical nomenclature	6,208	200	B	Top
447	Orbital hybridisation	6,199	199	C	High
448	Galvanic cell	6,196	199	C	Mid
449	Bromide	6,189	199	C	High
450	Chemical polarity	6,178	199	C	High
451	Aqueous solution	6,173	199	Start	High
452	Substituted phenethylamine	6,166	198	Start	Low
453	Coordination complex	6,137	197	B	High
454	Particle	6,137	197	C	Top
455	Fractional distillation	6,135	197	C	Mid
456	Intermolecular force	6,112	197	C	Top
457	Mucilage	6,100	196	C	High
458	Inert gas	6,095	196	Start	Mid
459	List of chemical compounds with unusual names	6,087	196	List	Low
460	Pyrethroid	6,074	195	C	Mid
461	VRLA battery	6,042	194	C	Low
462	Knoevenagel condensation	6,036	194	C	Mid
463	Lonsdaleite	6,027	194	C	Mid
464	Sandmeyer reaction	6,022	194	C	Mid
465	Total dissolved solids	6,020	194	C	Mid
466	Litmus	6,012	193	Start	Mid
467	Coking	5,987	193	Start	Mid
468	7075 aluminium alloy	5,965	192	C	Low
469	Purified water	5,954	192	C	Mid
470	Titanium alloys	5,953	192	C	Low
471	Cis–trans isomerism	5,941	191	C	High
472	Hydronium	5,939	191	B	High
473	Hartree–Fock method	5,924	191	C	High
474	Dorothy Hodgkin	5,920	190	B	Low
475	Coal gas	5,918	190	C	Low
476	Porphyrin	5,906	190	B	Mid
477	Methyl group	5,898	190	C	High
478	Hydrogen economy	5,895	190	B	Low
479	Petroleum coke	5,881	189	Start	Low
480	Sigma-Aldrich	5,875	189	Start	Low
481	Test tube	5,863	189	Start	Mid
482	Electrode	5,861	189	Start	Low
483	Chemical Weapons Convention	5,852	188	C	Low
484	Aufbau principle	5,847	188	C	High
485	R-454B	5,847	188	Stub	Low
486	Michael addition reaction	5,840	188	B	High
487	Chemical industry	5,825	187	Start	Mid
488	Enthalpy of vaporization	5,806	187	C	High
489	Vilsmeier–Haack reaction	5,801	187	C	Mid
490	Dipole	5,797	187	Start	Mid
491	Flame test	5,797	187	Start	Low
492	Carbon sequestration	5,773	186	B	Mid
493	Ullmann condensation	5,768	186	Start	Mid
494	History of chemistry	5,764	185	C	Top
495	Ice cube	5,757	185	C	Low
496	Grasim Industries	5,750	185	Start	Low
497	Water softening	5,748	185	Start	Mid
498	VSEPR theory	5,742	185	C	High
499	Ligand	5,740	185	C	High
500	Paint thinner	5,725	184	Start	Low