25:
378:
358:
225:
are different chemical forms of the same element (not containing any other element). In that sense, allotropes are all homonuclear. Many elements have multiple allotropic forms. In addition to the most common form of gaseous oxygen,
145:. The size of the molecule an element can form depends on the element's properties, and some elements form molecules of more than one size. The most familiar homonuclear molecules are
321:
89:
316:
61:
362:
42:
68:
149:, which consist of two atoms, although not all diatomic molecules are homonuclear. Homonuclear diatomic molecules include
419:
443:
75:
108:
57:
438:
46:
448:
302:
Sometimes a cluster of atoms of a single kind of metallic element is considered a single molecule.
82:
412:
35:
311:
393:
242:
234:
8:
405:
197:) is a common triatomic homonuclear molecule. Homonuclear tetratomic molecules include
340:
254:
146:
246:
138:
389:
250:
432:
280:
273:
209:
385:
266:
222:
122:
24:
296:
259:
172:
150:
134:
292:
198:
183:
377:
357:
288:
238:
161:
291:
is known to have a number of homonuclear molecules, including
187:
142:
141:. Homonuclear molecules may consist of various numbers of
245:
containing different numbers of sulfur atoms, including
287:) forms, though the first three are rare. The element
49:. Unsourced material may be challenged and removed.
430:
413:
420:
406:
109:Learn how and when to remove this message
322:Category:Homonuclear triatomic molecules
317:Category:Homonuclear diatomic molecules
431:
341:"How many gold atoms make gold metal?"
372:
47:adding citations to reliable sources
18:
13:
14:
460:
350:
376:
356:
23:
16:Molecule composed of one element
34:needs additional citations for
334:
1:
327:
233:, and ozone, there are other
392:. You can help Knowledge by
7:
305:
10:
465:
371:
444:Sets of chemical elements
388:-related article is a
312:Heteronuclear molecule
58:"Homonuclear molecule"
439:Homonuclear molecules
363:Homonuclear molecules
137:composed of only one
127:homonuclear molecules
365:at Wikimedia Commons
235:allotropes of oxygen
43:improve this article
131:homonuclear species
401:
400:
361:Media related to
182:) and all of the
147:diatomic molecule
119:
118:
111:
93:
456:
422:
415:
408:
380:
373:
360:
344:
338:
286:
232:
218:
207:
196:
181:
170:
159:
114:
107:
103:
100:
94:
92:
51:
27:
19:
464:
463:
459:
458:
457:
455:
454:
453:
449:Chemistry stubs
429:
428:
427:
426:
369:
353:
348:
347:
339:
335:
330:
308:
284:
277:
270:
263:
258:
231:
227:
217:
213:
206:
202:
195:
191:
180:
176:
169:
165:
158:
154:
115:
104:
98:
95:
52:
50:
40:
28:
17:
12:
11:
5:
462:
452:
451:
446:
441:
425:
424:
417:
410:
402:
399:
398:
381:
367:
366:
352:
351:External links
349:
346:
345:
332:
331:
329:
326:
325:
324:
319:
314:
307:
304:
282:
275:
268:
261:
241:forms several
229:
215:
204:
193:
178:
167:
156:
117:
116:
31:
29:
22:
15:
9:
6:
4:
3:
2:
461:
450:
447:
445:
442:
440:
437:
436:
434:
423:
418:
416:
411:
409:
404:
403:
397:
395:
391:
387:
382:
379:
375:
374:
370:
364:
359:
355:
354:
342:
337:
333:
323:
320:
318:
315:
313:
310:
309:
303:
300:
298:
294:
290:
285:
278:
271:
264:
256:
252:
249:, triatomic,
248:
244:
240:
236:
224:
220:
211:
200:
189:
185:
174:
163:
152:
148:
144:
140:
136:
132:
128:
124:
113:
110:
102:
99:February 2015
91:
88:
84:
81:
77:
74:
70:
67:
63:
60: –
59:
55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
394:expanding it
383:
368:
336:
301:
221:
130:
126:
120:
105:
96:
86:
79:
72:
65:
53:
41:Please help
36:verification
33:
433:Categories
328:References
243:allotropes
223:Allotropes
210:phosphorus
69:newspapers
386:chemistry
255:octatomic
251:hexatomic
135:molecules
123:chemistry
306:See also
297:graphite
247:diatomic
184:halogens
173:nitrogen
151:hydrogen
293:diamond
199:arsenic
139:element
83:scholar
289:carbon
239:Sulfur
208:) and
162:oxygen
133:, are
85:
78:
71:
64:
56:
384:This
188:Ozone
143:atoms
129:, or
90:JSTOR
76:books
390:stub
295:and
253:and
62:news
219:).
171:),
160:),
121:In
45:by
435::
299:.
279:,
272:,
265:,
237:.
203:As
186:.
125:,
421:e
414:t
407:v
396:.
343:.
283:8
281:S
276:6
274:S
269:3
267:S
262:2
260:S
257:(
230:2
228:O
216:4
214:P
212:(
205:4
201:(
194:3
192:O
190:(
179:2
177:N
175:(
168:2
166:O
164:(
157:2
155:H
153:(
112:)
106:(
101:)
97:(
87:·
80:·
73:·
66:·
39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.